Home / 259,734.24-390,281.76-226,537.20

Finding the Fourth Proportional to 259,734.24, 390,281.76 and 226,537.20

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Solution

The fourth proportional to 259,734.24, 390,281.76 and 226,537.20 is: 340,399.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,734.24 : 390,281.76 = 226,537.20 : x
  2. Step 2: Convert to fraction form
    259,734.24/390,281.76 = 226,537.20/x
  3. Step 3: Cross multiply
    259,734.24x = 390,281.76 × 226,537.20
  4. Step 4: Simplify right side
    259,734.24x = 88,413,337,121.47
  5. Step 5: Solve for x
    x = 88,413,337,121.47/259,734.24
  6. Step 6: Final answer
    x = 340,399.24

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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.