Home / 437,719.60-656,069.10-201,086.20

Finding the Fourth Proportional to 437,719.60, 656,069.10 and 201,086.20

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Solution

The fourth proportional to 437,719.60, 656,069.10 and 201,086.20 is: 301,394.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,719.60 : 656,069.10 = 201,086.20 : x
  2. Step 2: Convert to fraction form
    437,719.60/656,069.10 = 201,086.20/x
  3. Step 3: Cross multiply
    437,719.60x = 656,069.10 × 201,086.20
  4. Step 4: Simplify right side
    437,719.60x = 131,926,442,256.42
  5. Step 5: Solve for x
    x = 131,926,442,256.42/437,719.60
  6. Step 6: Final answer
    x = 301,394.87

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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.