Home / 437,330.60-655,995.90-156,811.40

Finding the Fourth Proportional to 437,330.60, 655,995.90 and 156,811.40

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Solution

The fourth proportional to 437,330.60, 655,995.90 and 156,811.40 is: 235,217.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,330.60 : 655,995.90 = 156,811.40 : x
  2. Step 2: Convert to fraction form
    437,330.60/655,995.90 = 156,811.40/x
  3. Step 3: Cross multiply
    437,330.60x = 655,995.90 × 156,811.40
  4. Step 4: Simplify right side
    437,330.60x = 102,867,635,473.26
  5. Step 5: Solve for x
    x = 102,867,635,473.26/437,330.60
  6. Step 6: Final answer
    x = 235,217.10

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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.