Home / 445,834.20-615,251.14-254,851.72

Finding the Fourth Proportional to 445,834.20, 615,251.14 and 254,851.72

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Solution

The fourth proportional to 445,834.20, 615,251.14 and 254,851.72 is: 351,695.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,834.20 : 615,251.14 = 254,851.72 : x
  2. Step 2: Convert to fraction form
    445,834.20/615,251.14 = 254,851.72/x
  3. Step 3: Cross multiply
    445,834.20x = 615,251.14 × 254,851.72
  4. Step 4: Simplify right side
    445,834.20x = 156,797,811,260.96
  5. Step 5: Solve for x
    x = 156,797,811,260.96/445,834.20
  6. Step 6: Final answer
    x = 351,695.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.