Home / 453,983.24-680,972.69-138,439.10

Finding the Fourth Proportional to 453,983.24, 680,972.69 and 138,439.10

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Solution

The fourth proportional to 453,983.24, 680,972.69 and 138,439.10 is: 207,657.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,983.24 : 680,972.69 = 138,439.10 : x
  2. Step 2: Convert to fraction form
    453,983.24/680,972.69 = 138,439.10/x
  3. Step 3: Cross multiply
    453,983.24x = 680,972.69 × 138,439.10
  4. Step 4: Simplify right side
    453,983.24x = 94,273,242,231.12
  5. Step 5: Solve for x
    x = 94,273,242,231.12/453,983.24
  6. Step 6: Final answer
    x = 207,657.98

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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.