Home / 743,143.80-1,114,715.70-182,178.30

Finding the Fourth Proportional to 743,143.80, 1,114,715.70 and 182,178.30

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Solution

The fourth proportional to 743,143.80, 1,114,715.70 and 182,178.30 is: 273,267.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,143.80 : 1,114,715.70 = 182,178.30 : x
  2. Step 2: Convert to fraction form
    743,143.80/1,114,715.70 = 182,178.30/x
  3. Step 3: Cross multiply
    743,143.80x = 1,114,715.70 × 182,178.30
  4. Step 4: Simplify right side
    743,143.80x = 203,077,011,209.31
  5. Step 5: Solve for x
    x = 203,077,011,209.31/743,143.80
  6. Step 6: Final answer
    x = 273,267.45

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.