Home / 389,499.28-584,242.82-199,850.19

Finding the Fourth Proportional to 389,499.28, 584,242.82 and 199,850.19

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Solution

The fourth proportional to 389,499.28, 584,242.82 and 199,850.19 is: 299,772.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,499.28 : 584,242.82 = 199,850.19 : x
  2. Step 2: Convert to fraction form
    389,499.28/584,242.82 = 199,850.19/x
  3. Step 3: Cross multiply
    389,499.28x = 584,242.82 × 199,850.19
  4. Step 4: Simplify right side
    389,499.28x = 116,761,037,266.57
  5. Step 5: Solve for x
    x = 116,761,037,266.57/389,499.28
  6. Step 6: Final answer
    x = 299,772.15

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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.