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Finding the Fourth Proportional to 438,801.28, 658,227.42 and 123,282.82

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Solution

The fourth proportional to 438,801.28, 658,227.42 and 123,282.82 is: 184,931.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,801.28 : 658,227.42 = 123,282.82 : x
  2. Step 2: Convert to fraction form
    438,801.28/658,227.42 = 123,282.82/x
  3. Step 3: Cross multiply
    438,801.28x = 658,227.42 × 123,282.82
  4. Step 4: Simplify right side
    438,801.28x = 81,148,132,538.92
  5. Step 5: Solve for x
    x = 81,148,132,538.92/438,801.28
  6. Step 6: Final answer
    x = 184,931.39

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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.