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Finding the Fourth Proportional to 266,127.12, 399,104.28 and 88,586.46

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Solution

The fourth proportional to 266,127.12, 399,104.28 and 88,586.46 is: 132,850.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,127.12 : 399,104.28 = 88,586.46 : x
  2. Step 2: Convert to fraction form
    266,127.12/399,104.28 = 88,586.46/x
  3. Step 3: Cross multiply
    266,127.12x = 399,104.28 × 88,586.46
  4. Step 4: Simplify right side
    266,127.12x = 35,355,235,336.05
  5. Step 5: Solve for x
    x = 35,355,235,336.05/266,127.12
  6. Step 6: Final answer
    x = 132,850.93

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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.