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Finding the Fourth Proportional to 251,764.31, 377,516.57 and 74,248.26

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Solution

The fourth proportional to 251,764.31, 377,516.57 and 74,248.26 is: 111,334.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,764.31 : 377,516.57 = 74,248.26 : x
  2. Step 2: Convert to fraction form
    251,764.31/377,516.57 = 74,248.26/x
  3. Step 3: Cross multiply
    251,764.31x = 377,516.57 × 74,248.26
  4. Step 4: Simplify right side
    251,764.31x = 28,029,948,072.43
  5. Step 5: Solve for x
    x = 28,029,948,072.43/251,764.31
  6. Step 6: Final answer
    x = 111,334.08

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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.