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Finding the Fourth Proportional to 402,073.52, 601,602.84 and 239,372.46

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Solution

The fourth proportional to 402,073.52, 601,602.84 and 239,372.46 is: 358,161.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,073.52 : 601,602.84 = 239,372.46 : x
  2. Step 2: Convert to fraction form
    402,073.52/601,602.84 = 239,372.46/x
  3. Step 3: Cross multiply
    402,073.52x = 601,602.84 × 239,372.46
  4. Step 4: Simplify right side
    402,073.52x = 144,007,151,753.79
  5. Step 5: Solve for x
    x = 144,007,151,753.79/402,073.52
  6. Step 6: Final answer
    x = 358,161.25

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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.