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Finding the Fourth Proportional to 351,768, 527,652 and 89,112

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Solution

The fourth proportional to 351,768, 527,652 and 89,112 is: 133,668

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,768 : 527,652 = 89,112 : x
  2. Step 2: Convert to fraction form
    351,768/527,652 = 89,112/x
  3. Step 3: Cross multiply
    351,768x = 527,652 × 89,112
  4. Step 4: Simplify right side
    351,768x = 47,020,125,024
  5. Step 5: Solve for x
    x = 47,020,125,024/351,768
  6. Step 6: Final answer
    x = 133,668

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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.