Home / 299,286.11-413,085.75-172,035.65

Finding the Fourth Proportional to 299,286.11, 413,085.75 and 172,035.65

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Solution

The fourth proportional to 299,286.11, 413,085.75 and 172,035.65 is: 237,449.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,286.11 : 413,085.75 = 172,035.65 : x
  2. Step 2: Convert to fraction form
    299,286.11/413,085.75 = 172,035.65/x
  3. Step 3: Cross multiply
    299,286.11x = 413,085.75 × 172,035.65
  4. Step 4: Simplify right side
    299,286.11x = 71,065,475,506.99
  5. Step 5: Solve for x
    x = 71,065,475,506.99/299,286.11
  6. Step 6: Final answer
    x = 237,449.96

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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.