Home / 453,904.91-680,966.72-138,342.41

Finding the Fourth Proportional to 453,904.91, 680,966.72 and 138,342.41

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Solution

The fourth proportional to 453,904.91, 680,966.72 and 138,342.41 is: 207,546.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,904.91 : 680,966.72 = 138,342.41 : x
  2. Step 2: Convert to fraction form
    453,904.91/680,966.72 = 138,342.41/x
  3. Step 3: Cross multiply
    453,904.91x = 680,966.72 × 138,342.41
  4. Step 4: Simplify right side
    453,904.91x = 94,206,573,078.05
  5. Step 5: Solve for x
    x = 94,206,573,078.05/453,904.91
  6. Step 6: Final answer
    x = 207,546.94

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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.