Home / 268,314.20-402,471.30-143,898.20

Finding the Fourth Proportional to 268,314.20, 402,471.30 and 143,898.20

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Solution

The fourth proportional to 268,314.20, 402,471.30 and 143,898.20 is: 215,847.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,314.20 : 402,471.30 = 143,898.20 : x
  2. Step 2: Convert to fraction form
    268,314.20/402,471.30 = 143,898.20/x
  3. Step 3: Cross multiply
    268,314.20x = 402,471.30 × 143,898.20
  4. Step 4: Simplify right side
    268,314.20x = 57,914,895,621.66
  5. Step 5: Solve for x
    x = 57,914,895,621.66/268,314.20
  6. Step 6: Final answer
    x = 215,847.30

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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.