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Finding the Fourth Proportional to 252,878.76, 379,026.54 and 95,006.52

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Solution

The fourth proportional to 252,878.76, 379,026.54 and 95,006.52 is: 142,400.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,878.76 : 379,026.54 = 95,006.52 : x
  2. Step 2: Convert to fraction form
    252,878.76/379,026.54 = 95,006.52/x
  3. Step 3: Cross multiply
    252,878.76x = 379,026.54 × 95,006.52
  4. Step 4: Simplify right side
    252,878.76x = 36,009,992,553.04
  5. Step 5: Solve for x
    x = 36,009,992,553.04/252,878.76
  6. Step 6: Final answer
    x = 142,400.23

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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.