Home / 454,685.70-682,144.40-134,849.24

Finding the Fourth Proportional to 454,685.70, 682,144.40 and 134,849.24

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Solution

The fourth proportional to 454,685.70, 682,144.40 and 134,849.24 is: 202,308.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,685.70 : 682,144.40 = 134,849.24 : x
  2. Step 2: Convert to fraction form
    454,685.70/682,144.40 = 134,849.24/x
  3. Step 3: Cross multiply
    454,685.70x = 682,144.40 × 134,849.24
  4. Step 4: Simplify right side
    454,685.70x = 91,986,653,394.70
  5. Step 5: Solve for x
    x = 91,986,653,394.70/454,685.70
  6. Step 6: Final answer
    x = 202,308.22

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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.