Home / 313,321.62-432,391.67-170,081.65

Finding the Fourth Proportional to 313,321.62, 432,391.67 and 170,081.65

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Solution

The fourth proportional to 313,321.62, 432,391.67 and 170,081.65 is: 234,716.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,321.62 : 432,391.67 = 170,081.65 : x
  2. Step 2: Convert to fraction form
    313,321.62/432,391.67 = 170,081.65/x
  3. Step 3: Cross multiply
    313,321.62x = 432,391.67 × 170,081.65
  4. Step 4: Simplify right side
    313,321.62x = 73,541,888,679.86
  5. Step 5: Solve for x
    x = 73,541,888,679.86/313,321.62
  6. Step 6: Final answer
    x = 234,716.93

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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.