Home / 205,516.22-308,294.85-55,758.98

Finding the Fourth Proportional to 205,516.22, 308,294.85 and 55,758.98

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Solution

The fourth proportional to 205,516.22, 308,294.85 and 55,758.98 is: 83,644.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,516.22 : 308,294.85 = 55,758.98 : x
  2. Step 2: Convert to fraction form
    205,516.22/308,294.85 = 55,758.98/x
  3. Step 3: Cross multiply
    205,516.22x = 308,294.85 × 55,758.98
  4. Step 4: Simplify right side
    205,516.22x = 17,190,206,375.25
  5. Step 5: Solve for x
    x = 17,190,206,375.25/205,516.22
  6. Step 6: Final answer
    x = 83,644.04

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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.