Home / 445,847.17-615,269.10-254,864.83

Finding the Fourth Proportional to 445,847.17, 615,269.10 and 254,864.83

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Solution

The fourth proportional to 445,847.17, 615,269.10 and 254,864.83 is: 351,713.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,847.17 : 615,269.10 = 254,864.83 : x
  2. Step 2: Convert to fraction form
    445,847.17/615,269.10 = 254,864.83/x
  3. Step 3: Cross multiply
    445,847.17x = 615,269.10 × 254,864.83
  4. Step 4: Simplify right side
    445,847.17x = 156,810,454,575.75
  5. Step 5: Solve for x
    x = 156,810,454,575.75/445,847.17
  6. Step 6: Final answer
    x = 351,713.47

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1.5x scale

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.