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Finding the Fourth Proportional to 203,277.80, 304,916.70 and 188,532.20

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Solution

The fourth proportional to 203,277.80, 304,916.70 and 188,532.20 is: 282,798.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,277.80 : 304,916.70 = 188,532.20 : x
  2. Step 2: Convert to fraction form
    203,277.80/304,916.70 = 188,532.20/x
  3. Step 3: Cross multiply
    203,277.80x = 304,916.70 × 188,532.20
  4. Step 4: Simplify right side
    203,277.80x = 57,486,616,267.74
  5. Step 5: Solve for x
    x = 57,486,616,267.74/203,277.80
  6. Step 6: Final answer
    x = 282,798.30

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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.