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Finding the Fourth Proportional to 658,636.75, 987,957.56 and 160,000.75

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Solution

The fourth proportional to 658,636.75, 987,957.56 and 160,000.75 is: 240,001.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,636.75 : 987,957.56 = 160,000.75 : x
  2. Step 2: Convert to fraction form
    658,636.75/987,957.56 = 160,000.75/x
  3. Step 3: Cross multiply
    658,636.75x = 987,957.56 × 160,000.75
  4. Step 4: Simplify right side
    658,636.75x = 158,073,950,568.17
  5. Step 5: Solve for x
    x = 158,073,950,568.17/658,636.75
  6. Step 6: Final answer
    x = 240,001.72

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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.