Home / 442,966.20-664,319.70-158,623.80

Finding the Fourth Proportional to 442,966.20, 664,319.70 and 158,623.80

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Solution

The fourth proportional to 442,966.20, 664,319.70 and 158,623.80 is: 237,889.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,966.20 : 664,319.70 = 158,623.80 : x
  2. Step 2: Convert to fraction form
    442,966.20/664,319.70 = 158,623.80/x
  3. Step 3: Cross multiply
    442,966.20x = 664,319.70 × 158,623.80
  4. Step 4: Simplify right side
    442,966.20x = 105,376,915,228.86
  5. Step 5: Solve for x
    x = 105,376,915,228.86/442,966.20
  6. Step 6: Final answer
    x = 237,889.29

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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.