Home / 371,446.20-557,169.30-318,302.10

Finding the Fourth Proportional to 371,446.20, 557,169.30 and 318,302.10

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Solution

The fourth proportional to 371,446.20, 557,169.30 and 318,302.10 is: 477,453.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,446.20 : 557,169.30 = 318,302.10 : x
  2. Step 2: Convert to fraction form
    371,446.20/557,169.30 = 318,302.10/x
  3. Step 3: Cross multiply
    371,446.20x = 557,169.30 × 318,302.10
  4. Step 4: Simplify right side
    371,446.20x = 177,348,158,245.53
  5. Step 5: Solve for x
    x = 177,348,158,245.53/371,446.20
  6. Step 6: Final answer
    x = 477,453.15

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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.