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Finding the Fourth Proportional to 251,572.69, 377,442.06 and 101,731.20

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Solution

The fourth proportional to 251,572.69, 377,442.06 and 101,731.20 is: 152,630.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,572.69 : 377,442.06 = 101,731.20 : x
  2. Step 2: Convert to fraction form
    251,572.69/377,442.06 = 101,731.20/x
  3. Step 3: Cross multiply
    251,572.69x = 377,442.06 × 101,731.20
  4. Step 4: Simplify right side
    251,572.69x = 38,397,633,694.27
  5. Step 5: Solve for x
    x = 38,397,633,694.27/251,572.69
  6. Step 6: Final answer
    x = 152,630.37

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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.