Home / 445,233.15-667,849.41-108,271.53

Finding the Fourth Proportional to 445,233.15, 667,849.41 and 108,271.53

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Solution

The fourth proportional to 445,233.15, 667,849.41 and 108,271.53 is: 162,407.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,233.15 : 667,849.41 = 108,271.53 : x
  2. Step 2: Convert to fraction form
    445,233.15/667,849.41 = 108,271.53/x
  3. Step 3: Cross multiply
    445,233.15x = 667,849.41 × 108,271.53
  4. Step 4: Simplify right side
    445,233.15x = 72,309,077,430.30
  5. Step 5: Solve for x
    x = 72,309,077,430.30/445,233.15
  6. Step 6: Final answer
    x = 162,407.22

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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.