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Finding the Fourth Proportional to 244,152, 366,230.28 and 86,407.20

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Solution

The fourth proportional to 244,152, 366,230.28 and 86,407.20 is: 129,611.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,152 : 366,230.28 = 86,407.20 : x
  2. Step 2: Convert to fraction form
    244,152/366,230.28 = 86,407.20/x
  3. Step 3: Cross multiply
    244,152x = 366,230.28 × 86,407.20
  4. Step 4: Simplify right side
    244,152x = 31,644,933,050.02
  5. Step 5: Solve for x
    x = 31,644,933,050.02/244,152
  6. Step 6: Final answer
    x = 129,611.61

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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.