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Finding the Fourth Proportional to 244,470.30, 366,814.80 and 118,061.70

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Solution

The fourth proportional to 244,470.30, 366,814.80 and 118,061.70 is: 177,145.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,470.30 : 366,814.80 = 118,061.70 : x
  2. Step 2: Convert to fraction form
    244,470.30/366,814.80 = 118,061.70/x
  3. Step 3: Cross multiply
    244,470.30x = 366,814.80 × 118,061.70
  4. Step 4: Simplify right side
    244,470.30x = 43,306,778,873.16
  5. Step 5: Solve for x
    x = 43,306,778,873.16/244,470.30
  6. Step 6: Final answer
    x = 177,145.36

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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.