Home / 437,899.20-656,848.80-251,275.20

Finding the Fourth Proportional to 437,899.20, 656,848.80 and 251,275.20

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Solution

The fourth proportional to 437,899.20, 656,848.80 and 251,275.20 is: 376,912.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,899.20 : 656,848.80 = 251,275.20 : x
  2. Step 2: Convert to fraction form
    437,899.20/656,848.80 = 251,275.20/x
  3. Step 3: Cross multiply
    437,899.20x = 656,848.80 × 251,275.20
  4. Step 4: Simplify right side
    437,899.20x = 165,049,813,589.76
  5. Step 5: Solve for x
    x = 165,049,813,589.76/437,899.20
  6. Step 6: Final answer
    x = 376,912.80

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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.