Home / 313,011.64-431,956.09-177,042.66

Finding the Fourth Proportional to 313,011.64, 431,956.09 and 177,042.66

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Solution

The fourth proportional to 313,011.64, 431,956.09 and 177,042.66 is: 244,318.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,011.64 : 431,956.09 = 177,042.66 : x
  2. Step 2: Convert to fraction form
    313,011.64/431,956.09 = 177,042.66/x
  3. Step 3: Cross multiply
    313,011.64x = 431,956.09 × 177,042.66
  4. Step 4: Simplify right side
    313,011.64x = 76,474,654,734.19
  5. Step 5: Solve for x
    x = 76,474,654,734.19/313,011.64
  6. Step 6: Final answer
    x = 244,318.89

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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.