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Finding the Fourth Proportional to 244,480.40, 366,720.60 and 126,382.40

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Solution

The fourth proportional to 244,480.40, 366,720.60 and 126,382.40 is: 189,573.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,480.40 : 366,720.60 = 126,382.40 : x
  2. Step 2: Convert to fraction form
    244,480.40/366,720.60 = 126,382.40/x
  3. Step 3: Cross multiply
    244,480.40x = 366,720.60 × 126,382.40
  4. Step 4: Simplify right side
    244,480.40x = 46,347,029,557.44
  5. Step 5: Solve for x
    x = 46,347,029,557.44/244,480.40
  6. Step 6: Final answer
    x = 189,573.60

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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.