Home / 453,904.53-680,966.15-138,342.03

Finding the Fourth Proportional to 453,904.53, 680,966.15 and 138,342.03

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Solution

The fourth proportional to 453,904.53, 680,966.15 and 138,342.03 is: 207,546.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,904.53 : 680,966.15 = 138,342.03 : x
  2. Step 2: Convert to fraction form
    453,904.53/680,966.15 = 138,342.03/x
  3. Step 3: Cross multiply
    453,904.53x = 680,966.15 × 138,342.03
  4. Step 4: Simplify right side
    453,904.53x = 94,206,238,860.57
  5. Step 5: Solve for x
    x = 94,206,238,860.57/453,904.53
  6. Step 6: Final answer
    x = 207,546.37

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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.