Home / 245,836.43-339,254.17-143,881.31

Finding the Fourth Proportional to 245,836.43, 339,254.17 and 143,881.31

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Solution

The fourth proportional to 245,836.43, 339,254.17 and 143,881.31 is: 198,556.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,836.43 : 339,254.17 = 143,881.31 : x
  2. Step 2: Convert to fraction form
    245,836.43/339,254.17 = 143,881.31/x
  3. Step 3: Cross multiply
    245,836.43x = 339,254.17 × 143,881.31
  4. Step 4: Simplify right side
    245,836.43x = 48,812,332,706.29
  5. Step 5: Solve for x
    x = 48,812,332,706.29/245,836.43
  6. Step 6: Final answer
    x = 198,556.14

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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.