Home / 408,765.20-564,145.10-247,615.52

Finding the Fourth Proportional to 408,765.20, 564,145.10 and 247,615.52

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Solution

The fourth proportional to 408,765.20, 564,145.10 and 247,615.52 is: 341,739.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,765.20 : 564,145.10 = 247,615.52 : x
  2. Step 2: Convert to fraction form
    408,765.20/564,145.10 = 247,615.52/x
  3. Step 3: Cross multiply
    408,765.20x = 564,145.10 × 247,615.52
  4. Step 4: Simplify right side
    408,765.20x = 139,691,082,291.95
  5. Step 5: Solve for x
    x = 139,691,082,291.95/408,765.20
  6. Step 6: Final answer
    x = 341,739.18

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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.