Home / 453,922.79-680,884.18-138,376.96

Finding the Fourth Proportional to 453,922.79, 680,884.18 and 138,376.96

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Solution

The fourth proportional to 453,922.79, 680,884.18 and 138,376.96 is: 207,565.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,922.79 : 680,884.18 = 138,376.96 : x
  2. Step 2: Convert to fraction form
    453,922.79/680,884.18 = 138,376.96/x
  3. Step 3: Cross multiply
    453,922.79x = 680,884.18 × 138,376.96
  4. Step 4: Simplify right side
    453,922.79x = 94,218,680,892.34
  5. Step 5: Solve for x
    x = 94,218,680,892.34/453,922.79
  6. Step 6: Final answer
    x = 207,565.44

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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.