Home / 218,455.29-327,810.30-92,087.80

Finding the Fourth Proportional to 218,455.29, 327,810.30 and 92,087.80

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Solution

The fourth proportional to 218,455.29, 327,810.30 and 92,087.80 is: 138,185.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,455.29 : 327,810.30 = 92,087.80 : x
  2. Step 2: Convert to fraction form
    218,455.29/327,810.30 = 92,087.80/x
  3. Step 3: Cross multiply
    218,455.29x = 327,810.30 × 92,087.80
  4. Step 4: Simplify right side
    218,455.29x = 30,187,329,344.34
  5. Step 5: Solve for x
    x = 30,187,329,344.34/218,455.29
  6. Step 6: Final answer
    x = 138,185.39

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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.