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Finding the Fourth Proportional to 658,188, 987,282 and 159,552

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Solution

The fourth proportional to 658,188, 987,282 and 159,552 is: 239,328

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,188 : 987,282 = 159,552 : x
  2. Step 2: Convert to fraction form
    658,188/987,282 = 159,552/x
  3. Step 3: Cross multiply
    658,188x = 987,282 × 159,552
  4. Step 4: Simplify right side
    658,188x = 157,522,817,664
  5. Step 5: Solve for x
    x = 157,522,817,664/658,188
  6. Step 6: Final answer
    x = 239,328

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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.