Home / 331,446.28-457,380.12-188,187.52

Finding the Fourth Proportional to 331,446.28, 457,380.12 and 188,187.52

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Solution

The fourth proportional to 331,446.28, 457,380.12 and 188,187.52 is: 259,689.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,446.28 : 457,380.12 = 188,187.52 : x
  2. Step 2: Convert to fraction form
    331,446.28/457,380.12 = 188,187.52/x
  3. Step 3: Cross multiply
    331,446.28x = 457,380.12 × 188,187.52
  4. Step 4: Simplify right side
    331,446.28x = 86,073,230,480.10
  5. Step 5: Solve for x
    x = 86,073,230,480.10/331,446.28
  6. Step 6: Final answer
    x = 259,689.84

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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.