Home / 217,849.19-326,901.67-91,479.69

Finding the Fourth Proportional to 217,849.19, 326,901.67 and 91,479.69

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Solution

The fourth proportional to 217,849.19, 326,901.67 and 91,479.69 is: 137,273.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,849.19 : 326,901.67 = 91,479.69 : x
  2. Step 2: Convert to fraction form
    217,849.19/326,901.67 = 91,479.69/x
  3. Step 3: Cross multiply
    217,849.19x = 326,901.67 × 91,479.69
  4. Step 4: Simplify right side
    217,849.19x = 29,904,863,203.38
  5. Step 5: Solve for x
    x = 29,904,863,203.38/217,849.19
  6. Step 6: Final answer
    x = 137,273.24

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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.