Home / 327,630.40-491,445.60-194,442.10

Finding the Fourth Proportional to 327,630.40, 491,445.60 and 194,442.10

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Solution

The fourth proportional to 327,630.40, 491,445.60 and 194,442.10 is: 291,663.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,630.40 : 491,445.60 = 194,442.10 : x
  2. Step 2: Convert to fraction form
    327,630.40/491,445.60 = 194,442.10/x
  3. Step 3: Cross multiply
    327,630.40x = 491,445.60 × 194,442.10
  4. Step 4: Simplify right side
    327,630.40x = 95,557,714,499.76
  5. Step 5: Solve for x
    x = 95,557,714,499.76/327,630.40
  6. Step 6: Final answer
    x = 291,663.15

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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.