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Finding the Fourth Proportional to 251,382.78, 377,197.09 and 118,276.29

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Solution

The fourth proportional to 251,382.78, 377,197.09 and 118,276.29 is: 177,472.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,382.78 : 377,197.09 = 118,276.29 : x
  2. Step 2: Convert to fraction form
    251,382.78/377,197.09 = 118,276.29/x
  3. Step 3: Cross multiply
    251,382.78x = 377,197.09 × 118,276.29
  4. Step 4: Simplify right side
    251,382.78x = 44,613,472,108.31
  5. Step 5: Solve for x
    x = 44,613,472,108.31/251,382.78
  6. Step 6: Final answer
    x = 177,472.27

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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.