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Finding the Fourth Proportional to 176,253.82, 243,708.68 and 173,405.04

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Solution

The fourth proportional to 176,253.82, 243,708.68 and 173,405.04 is: 239,769.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,253.82 : 243,708.68 = 173,405.04 : x
  2. Step 2: Convert to fraction form
    176,253.82/243,708.68 = 173,405.04/x
  3. Step 3: Cross multiply
    176,253.82x = 243,708.68 × 173,405.04
  4. Step 4: Simplify right side
    176,253.82x = 42,260,313,403.75
  5. Step 5: Solve for x
    x = 42,260,313,403.75/176,253.82
  6. Step 6: Final answer
    x = 239,769.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.