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Finding the Fourth Proportional to 244,627.68, 366,978 and 86,842.92

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Solution

The fourth proportional to 244,627.68, 366,978 and 86,842.92 is: 130,277.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,627.68 : 366,978 = 86,842.92 : x
  2. Step 2: Convert to fraction form
    244,627.68/366,978 = 86,842.92/x
  3. Step 3: Cross multiply
    244,627.68x = 366,978 × 86,842.92
  4. Step 4: Simplify right side
    244,627.68x = 31,869,441,095.76
  5. Step 5: Solve for x
    x = 31,869,441,095.76/244,627.68
  6. Step 6: Final answer
    x = 130,277.33

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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.