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Finding the Fourth Proportional to 438,673.92, 658,010.88 and 251,804.16

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Solution

The fourth proportional to 438,673.92, 658,010.88 and 251,804.16 is: 377,706.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,673.92 : 658,010.88 = 251,804.16 : x
  2. Step 2: Convert to fraction form
    438,673.92/658,010.88 = 251,804.16/x
  3. Step 3: Cross multiply
    438,673.92x = 658,010.88 × 251,804.16
  4. Step 4: Simplify right side
    438,673.92x = 165,689,876,909.26
  5. Step 5: Solve for x
    x = 165,689,876,909.26/438,673.92
  6. Step 6: Final answer
    x = 377,706.24

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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.