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Finding the Fourth Proportional to 252,256.73, 378,603.71 and 132,398.34

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Solution

The fourth proportional to 252,256.73, 378,603.71 and 132,398.34 is: 198,712.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,256.73 : 378,603.71 = 132,398.34 : x
  2. Step 2: Convert to fraction form
    252,256.73/378,603.71 = 132,398.34/x
  3. Step 3: Cross multiply
    252,256.73x = 378,603.71 × 132,398.34
  4. Step 4: Simplify right side
    252,256.73x = 50,126,502,390.85
  5. Step 5: Solve for x
    x = 50,126,502,390.85/252,256.73
  6. Step 6: Final answer
    x = 198,712.25

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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.