Home / 218,778.20-328,167.33-52,566.20

Finding the Fourth Proportional to 218,778.20, 328,167.33 and 52,566.20

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Solution

The fourth proportional to 218,778.20, 328,167.33 and 52,566.20 is: 78,849.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,778.20 : 328,167.33 = 52,566.20 : x
  2. Step 2: Convert to fraction form
    218,778.20/328,167.33 = 52,566.20/x
  3. Step 3: Cross multiply
    218,778.20x = 328,167.33 × 52,566.20
  4. Step 4: Simplify right side
    218,778.20x = 17,250,509,502.25
  5. Step 5: Solve for x
    x = 17,250,509,502.25/218,778.20
  6. Step 6: Final answer
    x = 78,849.31

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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.