Home / 218,964.10-328,446.15-159,477.70

Finding the Fourth Proportional to 218,964.10, 328,446.15 and 159,477.70

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Solution

The fourth proportional to 218,964.10, 328,446.15 and 159,477.70 is: 239,216.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,964.10 : 328,446.15 = 159,477.70 : x
  2. Step 2: Convert to fraction form
    218,964.10/328,446.15 = 159,477.70/x
  3. Step 3: Cross multiply
    218,964.10x = 328,446.15 × 159,477.70
  4. Step 4: Simplify right side
    218,964.10x = 52,379,836,575.86
  5. Step 5: Solve for x
    x = 52,379,836,575.86/218,964.10
  6. Step 6: Final answer
    x = 239,216.55

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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.