Home / 442,822.20-664,233.30-143,324.70

Finding the Fourth Proportional to 442,822.20, 664,233.30 and 143,324.70

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Solution

The fourth proportional to 442,822.20, 664,233.30 and 143,324.70 is: 214,987.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,822.20 : 664,233.30 = 143,324.70 : x
  2. Step 2: Convert to fraction form
    442,822.20/664,233.30 = 143,324.70/x
  3. Step 3: Cross multiply
    442,822.20x = 664,233.30 × 143,324.70
  4. Step 4: Simplify right side
    442,822.20x = 95,201,038,452.51
  5. Step 5: Solve for x
    x = 95,201,038,452.51/442,822.20
  6. Step 6: Final answer
    x = 214,987.05

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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.