Home / 202,519.20-303,584.40-157,515.60

Finding the Fourth Proportional to 202,519.20, 303,584.40 and 157,515.60

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Solution

The fourth proportional to 202,519.20, 303,584.40 and 157,515.60 is: 236,122.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,519.20 : 303,584.40 = 157,515.60 : x
  2. Step 2: Convert to fraction form
    202,519.20/303,584.40 = 157,515.60/x
  3. Step 3: Cross multiply
    202,519.20x = 303,584.40 × 157,515.60
  4. Step 4: Simplify right side
    202,519.20x = 47,819,278,916.64
  5. Step 5: Solve for x
    x = 47,819,278,916.64/202,519.20
  6. Step 6: Final answer
    x = 236,122.20

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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.