Home / 266,111.03-399,230.33-88,619.57

Finding the Fourth Proportional to 266,111.03, 399,230.33 and 88,619.57

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Solution

The fourth proportional to 266,111.03, 399,230.33 and 88,619.57 is: 132,950.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,111.03 : 399,230.33 = 88,619.57 : x
  2. Step 2: Convert to fraction form
    266,111.03/399,230.33 = 88,619.57/x
  3. Step 3: Cross multiply
    266,111.03x = 399,230.33 × 88,619.57
  4. Step 4: Simplify right side
    266,111.03x = 35,379,620,730.54
  5. Step 5: Solve for x
    x = 35,379,620,730.54/266,111.03
  6. Step 6: Final answer
    x = 132,950.60

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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.