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Finding the Fourth Proportional to 207,418, 311,127 and 59,674

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Solution

The fourth proportional to 207,418, 311,127 and 59,674 is: 89,511

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,418 : 311,127 = 59,674 : x
  2. Step 2: Convert to fraction form
    207,418/311,127 = 59,674/x
  3. Step 3: Cross multiply
    207,418x = 311,127 × 59,674
  4. Step 4: Simplify right side
    207,418x = 18,566,192,598
  5. Step 5: Solve for x
    x = 18,566,192,598/207,418
  6. Step 6: Final answer
    x = 89,511

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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.