Home / 442,945.29-664,514.84-143,456.14

Finding the Fourth Proportional to 442,945.29, 664,514.84 and 143,456.14

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Solution

The fourth proportional to 442,945.29, 664,514.84 and 143,456.14 is: 215,215.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,945.29 : 664,514.84 = 143,456.14 : x
  2. Step 2: Convert to fraction form
    442,945.29/664,514.84 = 143,456.14/x
  3. Step 3: Cross multiply
    442,945.29x = 664,514.84 × 143,456.14
  4. Step 4: Simplify right side
    442,945.29x = 95,328,736,637.65
  5. Step 5: Solve for x
    x = 95,328,736,637.65/442,945.29
  6. Step 6: Final answer
    x = 215,215.60

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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.