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Finding the Fourth Proportional to 225,872, 338,721.72 and 76,072.04

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Solution

The fourth proportional to 225,872, 338,721.72 and 76,072.04 is: 114,079.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,872 : 338,721.72 = 76,072.04 : x
  2. Step 2: Convert to fraction form
    225,872/338,721.72 = 76,072.04/x
  3. Step 3: Cross multiply
    225,872x = 338,721.72 × 76,072.04
  4. Step 4: Simplify right side
    225,872x = 25,767,252,232.71
  5. Step 5: Solve for x
    x = 25,767,252,232.71/225,872
  6. Step 6: Final answer
    x = 114,079.00

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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.