Home / 442,946.01-664,515.91-143,456.86

Finding the Fourth Proportional to 442,946.01, 664,515.91 and 143,456.86

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Solution

The fourth proportional to 442,946.01, 664,515.91 and 143,456.86 is: 215,216.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,946.01 : 664,515.91 = 143,456.86 : x
  2. Step 2: Convert to fraction form
    442,946.01/664,515.91 = 143,456.86/x
  3. Step 3: Cross multiply
    442,946.01x = 664,515.91 × 143,456.86
  4. Step 4: Simplify right side
    442,946.01x = 95,329,361,828.78
  5. Step 5: Solve for x
    x = 95,329,361,828.78/442,946.01
  6. Step 6: Final answer
    x = 215,216.66

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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.