Home / 317,538.40-438,207.96-174,311.52

Finding the Fourth Proportional to 317,538.40, 438,207.96 and 174,311.52

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Solution

The fourth proportional to 317,538.40, 438,207.96 and 174,311.52 is: 240,552.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,538.40 : 438,207.96 = 174,311.52 : x
  2. Step 2: Convert to fraction form
    317,538.40/438,207.96 = 174,311.52/x
  3. Step 3: Cross multiply
    317,538.40x = 438,207.96 × 174,311.52
  4. Step 4: Simplify right side
    317,538.40x = 76,384,695,583.70
  5. Step 5: Solve for x
    x = 76,384,695,583.70/317,538.40
  6. Step 6: Final answer
    x = 240,552.62

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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.