Home / 312,849.58-431,726.79-176,881.18

Finding the Fourth Proportional to 312,849.58, 431,726.79 and 176,881.18

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Solution

The fourth proportional to 312,849.58, 431,726.79 and 176,881.18 is: 244,092.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,849.58 : 431,726.79 = 176,881.18 : x
  2. Step 2: Convert to fraction form
    312,849.58/431,726.79 = 176,881.18/x
  3. Step 3: Cross multiply
    312,849.58x = 431,726.79 × 176,881.18
  4. Step 4: Simplify right side
    312,849.58x = 76,364,344,052.81
  5. Step 5: Solve for x
    x = 76,364,344,052.81/312,849.58
  6. Step 6: Final answer
    x = 244,092.85

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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.