Home / 453,913.52-680,972.38-138,402.32

Finding the Fourth Proportional to 453,913.52, 680,972.38 and 138,402.32

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Solution

The fourth proportional to 453,913.52, 680,972.38 and 138,402.32 is: 207,634.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,913.52 : 680,972.38 = 138,402.32 : x
  2. Step 2: Convert to fraction form
    453,913.52/680,972.38 = 138,402.32/x
  3. Step 3: Cross multiply
    453,913.52x = 680,972.38 × 138,402.32
  4. Step 4: Simplify right side
    453,913.52x = 94,248,157,247.92
  5. Step 5: Solve for x
    x = 94,248,157,247.92/453,913.52
  6. Step 6: Final answer
    x = 207,634.61

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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.