Home / 261,046.21-391,744.29-167,617.57

Finding the Fourth Proportional to 261,046.21, 391,744.29 and 167,617.57

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Solution

The fourth proportional to 261,046.21, 391,744.29 and 167,617.57 is: 251,538.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,046.21 : 391,744.29 = 167,617.57 : x
  2. Step 2: Convert to fraction form
    261,046.21/391,744.29 = 167,617.57/x
  3. Step 3: Cross multiply
    261,046.21x = 391,744.29 × 167,617.57
  4. Step 4: Simplify right side
    261,046.21x = 65,663,225,951.18
  5. Step 5: Solve for x
    x = 65,663,225,951.18/261,046.21
  6. Step 6: Final answer
    x = 251,538.71

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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.