Home / 263,129.40-394,694.10-242,854.20

Finding the Fourth Proportional to 263,129.40, 394,694.10 and 242,854.20

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Solution

The fourth proportional to 263,129.40, 394,694.10 and 242,854.20 is: 364,281.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,129.40 : 394,694.10 = 242,854.20 : x
  2. Step 2: Convert to fraction form
    263,129.40/394,694.10 = 242,854.20/x
  3. Step 3: Cross multiply
    263,129.40x = 394,694.10 × 242,854.20
  4. Step 4: Simplify right side
    263,129.40x = 95,853,119,900.22
  5. Step 5: Solve for x
    x = 95,853,119,900.22/263,129.40
  6. Step 6: Final answer
    x = 364,281.30

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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.