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Finding the Fourth Proportional to 454,248.68, 680,499.77 and 253,961.64

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Solution

The fourth proportional to 454,248.68, 680,499.77 and 253,961.64 is: 380,454.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,248.68 : 680,499.77 = 253,961.64 : x
  2. Step 2: Convert to fraction form
    454,248.68/680,499.77 = 253,961.64/x
  3. Step 3: Cross multiply
    454,248.68x = 680,499.77 × 253,961.64
  4. Step 4: Simplify right side
    454,248.68x = 172,820,836,339.02
  5. Step 5: Solve for x
    x = 172,820,836,339.02/454,248.68
  6. Step 6: Final answer
    x = 380,454.24

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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.