Home / 372,116.56-513,505.20-210,982.42

Finding the Fourth Proportional to 372,116.56, 513,505.20 and 210,982.42

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Solution

The fourth proportional to 372,116.56, 513,505.20 and 210,982.42 is: 291,146.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,116.56 : 513,505.20 = 210,982.42 : x
  2. Step 2: Convert to fraction form
    372,116.56/513,505.20 = 210,982.42/x
  3. Step 3: Cross multiply
    372,116.56x = 513,505.20 × 210,982.42
  4. Step 4: Simplify right side
    372,116.56x = 108,340,569,778.58
  5. Step 5: Solve for x
    x = 108,340,569,778.58/372,116.56
  6. Step 6: Final answer
    x = 291,146.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.