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Finding the Fourth Proportional to 225,320.84, 310,957.72 and 129,833.64

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Solution

The fourth proportional to 225,320.84, 310,957.72 and 129,833.64 is: 179,179.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,320.84 : 310,957.72 = 129,833.64 : x
  2. Step 2: Convert to fraction form
    225,320.84/310,957.72 = 129,833.64/x
  3. Step 3: Cross multiply
    225,320.84x = 310,957.72 × 129,833.64
  4. Step 4: Simplify right side
    225,320.84x = 40,372,772,673.70
  5. Step 5: Solve for x
    x = 40,372,772,673.70/225,320.84
  6. Step 6: Final answer
    x = 179,179.04

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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.