Home / 231,317.30-346,929.48-81,563.69

Finding the Fourth Proportional to 231,317.30, 346,929.48 and 81,563.69

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Solution

The fourth proportional to 231,317.30, 346,929.48 and 81,563.69 is: 122,329.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,317.30 : 346,929.48 = 81,563.69 : x
  2. Step 2: Convert to fraction form
    231,317.30/346,929.48 = 81,563.69/x
  3. Step 3: Cross multiply
    231,317.30x = 346,929.48 × 81,563.69
  4. Step 4: Simplify right side
    231,317.30x = 28,296,849,425.90
  5. Step 5: Solve for x
    x = 28,296,849,425.90/231,317.30
  6. Step 6: Final answer
    x = 122,329.15

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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.