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Finding the Fourth Proportional to 658,107, 987,160.64 and 237,382.83

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Solution

The fourth proportional to 658,107, 987,160.64 and 237,382.83 is: 356,074.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,107 : 987,160.64 = 237,382.83 : x
  2. Step 2: Convert to fraction form
    658,107/987,160.64 = 237,382.83/x
  3. Step 3: Cross multiply
    658,107x = 987,160.64 × 237,382.83
  4. Step 4: Simplify right side
    658,107x = 234,334,985,200.90
  5. Step 5: Solve for x
    x = 234,334,985,200.90/658,107
  6. Step 6: Final answer
    x = 356,074.29

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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.