Home / 317,716.26-438,449.91-181,751.70

Finding the Fourth Proportional to 317,716.26, 438,449.91 and 181,751.70

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Solution

The fourth proportional to 317,716.26, 438,449.91 and 181,751.70 is: 250,818.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,716.26 : 438,449.91 = 181,751.70 : x
  2. Step 2: Convert to fraction form
    317,716.26/438,449.91 = 181,751.70/x
  3. Step 3: Cross multiply
    317,716.26x = 438,449.91 × 181,751.70
  4. Step 4: Simplify right side
    317,716.26x = 79,689,016,507.35
  5. Step 5: Solve for x
    x = 79,689,016,507.35/317,716.26
  6. Step 6: Final answer
    x = 250,818.19

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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.