Home / 327,177.82-490,671.89-127,453.69

Finding the Fourth Proportional to 327,177.82, 490,671.89 and 127,453.69

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Solution

The fourth proportional to 327,177.82, 490,671.89 and 127,453.69 is: 191,143.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,177.82 : 490,671.89 = 127,453.69 : x
  2. Step 2: Convert to fraction form
    327,177.82/490,671.89 = 127,453.69/x
  3. Step 3: Cross multiply
    327,177.82x = 490,671.89 × 127,453.69
  4. Step 4: Simplify right side
    327,177.82x = 62,537,939,869.15
  5. Step 5: Solve for x
    x = 62,537,939,869.15/327,177.82
  6. Step 6: Final answer
    x = 191,143.58

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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.