Home / 252,177.31-378,192.15-207,693.73

Finding the Fourth Proportional to 252,177.31, 378,192.15 and 207,693.73

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Solution

The fourth proportional to 252,177.31, 378,192.15 and 207,693.73 is: 311,479.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,177.31 : 378,192.15 = 207,693.73 : x
  2. Step 2: Convert to fraction form
    252,177.31/378,192.15 = 207,693.73/x
  3. Step 3: Cross multiply
    252,177.31x = 378,192.15 × 207,693.73
  4. Step 4: Simplify right side
    252,177.31x = 78,548,137,344.74
  5. Step 5: Solve for x
    x = 78,548,137,344.74/252,177.31
  6. Step 6: Final answer
    x = 311,479.80

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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.