Home / 479,414.30-718,623.30-194,982.80

Finding the Fourth Proportional to 479,414.30, 718,623.30 and 194,982.80

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Solution

The fourth proportional to 479,414.30, 718,623.30 and 194,982.80 is: 292,271.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,414.30 : 718,623.30 = 194,982.80 : x
  2. Step 2: Convert to fraction form
    479,414.30/718,623.30 = 194,982.80/x
  3. Step 3: Cross multiply
    479,414.30x = 718,623.30 × 194,982.80
  4. Step 4: Simplify right side
    479,414.30x = 140,119,183,179.24
  5. Step 5: Solve for x
    x = 140,119,183,179.24/479,414.30
  6. Step 6: Final answer
    x = 292,271.60

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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.