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Finding the Fourth Proportional to 244,457.78, 366,686.98 and 66,966.33

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Solution

The fourth proportional to 244,457.78, 366,686.98 and 66,966.33 is: 100,449.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,457.78 : 366,686.98 = 66,966.33 : x
  2. Step 2: Convert to fraction form
    244,457.78/366,686.98 = 66,966.33/x
  3. Step 3: Cross multiply
    244,457.78x = 366,686.98 × 66,966.33
  4. Step 4: Simplify right side
    244,457.78x = 24,555,681,309.38
  5. Step 5: Solve for x
    x = 24,555,681,309.38/244,457.78
  6. Step 6: Final answer
    x = 100,449.58

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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.