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Finding the Fourth Proportional to 203,124.90, 304,715.70 and 84,769.11

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Solution

The fourth proportional to 203,124.90, 304,715.70 and 84,769.11 is: 127,165.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,124.90 : 304,715.70 = 84,769.11 : x
  2. Step 2: Convert to fraction form
    203,124.90/304,715.70 = 84,769.11/x
  3. Step 3: Cross multiply
    203,124.90x = 304,715.70 × 84,769.11
  4. Step 4: Simplify right side
    203,124.90x = 25,830,478,692.03
  5. Step 5: Solve for x
    x = 25,830,478,692.03/203,124.90
  6. Step 6: Final answer
    x = 127,165.50

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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.