Home / 266,010.24-399,080.40-88,516.80

Finding the Fourth Proportional to 266,010.24, 399,080.40 and 88,516.80

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Solution

The fourth proportional to 266,010.24, 399,080.40 and 88,516.80 is: 132,796.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,010.24 : 399,080.40 = 88,516.80 : x
  2. Step 2: Convert to fraction form
    266,010.24/399,080.40 = 88,516.80/x
  3. Step 3: Cross multiply
    266,010.24x = 399,080.40 × 88,516.80
  4. Step 4: Simplify right side
    266,010.24x = 35,325,319,950.72
  5. Step 5: Solve for x
    x = 35,325,319,950.72/266,010.24
  6. Step 6: Final answer
    x = 132,796.84

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1.5x scale

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.