Home / 454,020.30-680,544.45-154,223.10

Finding the Fourth Proportional to 454,020.30, 680,544.45 and 154,223.10

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Solution

The fourth proportional to 454,020.30, 680,544.45 and 154,223.10 is: 231,169.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,020.30 : 680,544.45 = 154,223.10 : x
  2. Step 2: Convert to fraction form
    454,020.30/680,544.45 = 154,223.10/x
  3. Step 3: Cross multiply
    454,020.30x = 680,544.45 × 154,223.10
  4. Step 4: Simplify right side
    454,020.30x = 104,955,674,766.80
  5. Step 5: Solve for x
    x = 104,955,674,766.80/454,020.30
  6. Step 6: Final answer
    x = 231,169.56

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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.