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Finding the Fourth Proportional to 469,293.75, 704,073.06 and 132,337.60

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Solution

The fourth proportional to 469,293.75, 704,073.06 and 132,337.60 is: 198,543.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,293.75 : 704,073.06 = 132,337.60 : x
  2. Step 2: Convert to fraction form
    469,293.75/704,073.06 = 132,337.60/x
  3. Step 3: Cross multiply
    469,293.75x = 704,073.06 × 132,337.60
  4. Step 4: Simplify right side
    469,293.75x = 93,175,337,224.87
  5. Step 5: Solve for x
    x = 93,175,337,224.87/469,293.75
  6. Step 6: Final answer
    x = 198,543.74

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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.