Home / 262,575.20-393,344.40-157,080.80

Finding the Fourth Proportional to 262,575.20, 393,344.40 and 157,080.80

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Solution

The fourth proportional to 262,575.20, 393,344.40 and 157,080.80 is: 235,311.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,575.20 : 393,344.40 = 157,080.80 : x
  2. Step 2: Convert to fraction form
    262,575.20/393,344.40 = 157,080.80/x
  3. Step 3: Cross multiply
    262,575.20x = 393,344.40 × 157,080.80
  4. Step 4: Simplify right side
    262,575.20x = 61,786,853,027.52
  5. Step 5: Solve for x
    x = 61,786,853,027.52/262,575.20
  6. Step 6: Final answer
    x = 235,311.08

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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.