Home / 442,623.60-664,194.60-162,169.20

Finding the Fourth Proportional to 442,623.60, 664,194.60 and 162,169.20

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Solution

The fourth proportional to 442,623.60, 664,194.60 and 162,169.20 is: 243,348.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,623.60 : 664,194.60 = 162,169.20 : x
  2. Step 2: Convert to fraction form
    442,623.60/664,194.60 = 162,169.20/x
  3. Step 3: Cross multiply
    442,623.60x = 664,194.60 × 162,169.20
  4. Step 4: Simplify right side
    442,623.60x = 107,711,906,926.32
  5. Step 5: Solve for x
    x = 107,711,906,926.32/442,623.60
  6. Step 6: Final answer
    x = 243,348.77

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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.