Home / 668,023.30-1,002,132.15-218,635.30

Finding the Fourth Proportional to 668,023.30, 1,002,132.15 and 218,635.30

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Solution

The fourth proportional to 668,023.30, 1,002,132.15 and 218,635.30 is: 327,984.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,023.30 : 1,002,132.15 = 218,635.30 : x
  2. Step 2: Convert to fraction form
    668,023.30/1,002,132.15 = 218,635.30/x
  3. Step 3: Cross multiply
    668,023.30x = 1,002,132.15 × 218,635.30
  4. Step 4: Simplify right side
    668,023.30x = 219,101,463,254.90
  5. Step 5: Solve for x
    x = 219,101,463,254.90/668,023.30
  6. Step 6: Final answer
    x = 327,984.76

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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.