Home / 317,396.27-438,006.87-181,433.18

Finding the Fourth Proportional to 317,396.27, 438,006.87 and 181,433.18

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Solution

The fourth proportional to 317,396.27, 438,006.87 and 181,433.18 is: 250,377.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,396.27 : 438,006.87 = 181,433.18 : x
  2. Step 2: Convert to fraction form
    317,396.27/438,006.87 = 181,433.18/x
  3. Step 3: Cross multiply
    317,396.27x = 438,006.87 × 181,433.18
  4. Step 4: Simplify right side
    317,396.27x = 79,468,980,380.96
  5. Step 5: Solve for x
    x = 79,468,980,380.96/317,396.27
  6. Step 6: Final answer
    x = 250,377.80

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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.