Home / 221,250.40-331,875.60-132,458.20

Finding the Fourth Proportional to 221,250.40, 331,875.60 and 132,458.20

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Solution

The fourth proportional to 221,250.40, 331,875.60 and 132,458.20 is: 198,687.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,250.40 : 331,875.60 = 132,458.20 : x
  2. Step 2: Convert to fraction form
    221,250.40/331,875.60 = 132,458.20/x
  3. Step 3: Cross multiply
    221,250.40x = 331,875.60 × 132,458.20
  4. Step 4: Simplify right side
    221,250.40x = 43,959,644,599.92
  5. Step 5: Solve for x
    x = 43,959,644,599.92/221,250.40
  6. Step 6: Final answer
    x = 198,687.30

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1.5x scale

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.