Home / 257,049.20-354,732.27-140,772.86

Finding the Fourth Proportional to 257,049.20, 354,732.27 and 140,772.86

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Solution

The fourth proportional to 257,049.20, 354,732.27 and 140,772.86 is: 194,268.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,049.20 : 354,732.27 = 140,772.86 : x
  2. Step 2: Convert to fraction form
    257,049.20/354,732.27 = 140,772.86/x
  3. Step 3: Cross multiply
    257,049.20x = 354,732.27 × 140,772.86
  4. Step 4: Simplify right side
    257,049.20x = 49,936,676,182.19
  5. Step 5: Solve for x
    x = 49,936,676,182.19/257,049.20
  6. Step 6: Final answer
    x = 194,268.94

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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.