Home / 318,419.70-439,414.38-175,171.20

Finding the Fourth Proportional to 318,419.70, 439,414.38 and 175,171.20

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Solution

The fourth proportional to 318,419.70, 439,414.38 and 175,171.20 is: 241,733.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,419.70 : 439,414.38 = 175,171.20 : x
  2. Step 2: Convert to fraction form
    318,419.70/439,414.38 = 175,171.20/x
  3. Step 3: Cross multiply
    318,419.70x = 439,414.38 × 175,171.20
  4. Step 4: Simplify right side
    318,419.70x = 76,972,744,241.86
  5. Step 5: Solve for x
    x = 76,972,744,241.86/318,419.70
  6. Step 6: Final answer
    x = 241,733.61

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1.5x scale

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.