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Finding the Fourth Proportional to 252,394, 378,480.12 and 94,511.70

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Solution

The fourth proportional to 252,394, 378,480.12 and 94,511.70 is: 141,726.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,394 : 378,480.12 = 94,511.70 : x
  2. Step 2: Convert to fraction form
    252,394/378,480.12 = 94,511.70/x
  3. Step 3: Cross multiply
    252,394x = 378,480.12 × 94,511.70
  4. Step 4: Simplify right side
    252,394x = 35,770,799,557.40
  5. Step 5: Solve for x
    x = 35,770,799,557.40/252,394
  6. Step 6: Final answer
    x = 141,726.03

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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.