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Finding the Fourth Proportional to 252,229.88, 378,352.76 and 94,428.20

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Solution

The fourth proportional to 252,229.88, 378,352.76 and 94,428.20 is: 141,645.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,229.88 : 378,352.76 = 94,428.20 : x
  2. Step 2: Convert to fraction form
    252,229.88/378,352.76 = 94,428.20/x
  3. Step 3: Cross multiply
    252,229.88x = 378,352.76 × 94,428.20
  4. Step 4: Simplify right side
    252,229.88x = 35,727,170,091.83
  5. Step 5: Solve for x
    x = 35,727,170,091.83/252,229.88
  6. Step 6: Final answer
    x = 141,645.27

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1.5x scale

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.