Home / 362,023.40-542,819.10-221,882.60

Finding the Fourth Proportional to 362,023.40, 542,819.10 and 221,882.60

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Solution

The fourth proportional to 362,023.40, 542,819.10 and 221,882.60 is: 332,691.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,023.40 : 542,819.10 = 221,882.60 : x
  2. Step 2: Convert to fraction form
    362,023.40/542,819.10 = 221,882.60/x
  3. Step 3: Cross multiply
    362,023.40x = 542,819.10 × 221,882.60
  4. Step 4: Simplify right side
    362,023.40x = 120,442,113,237.66
  5. Step 5: Solve for x
    x = 120,442,113,237.66/362,023.40
  6. Step 6: Final answer
    x = 332,691.51

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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.