Home / 453,758.20-680,680.13-133,911.28

Finding the Fourth Proportional to 453,758.20, 680,680.13 and 133,911.28

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Solution

The fourth proportional to 453,758.20, 680,680.13 and 133,911.28 is: 200,879.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,758.20 : 680,680.13 = 133,911.28 : x
  2. Step 2: Convert to fraction form
    453,758.20/680,680.13 = 133,911.28/x
  3. Step 3: Cross multiply
    453,758.20x = 680,680.13 × 133,911.28
  4. Step 4: Simplify right side
    453,758.20x = 91,150,744,961.21
  5. Step 5: Solve for x
    x = 91,150,744,961.21/453,758.20
  6. Step 6: Final answer
    x = 200,879.55

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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.