Home / 394,966.20-592,449.30-261,996.60

Finding the Fourth Proportional to 394,966.20, 592,449.30 and 261,996.60

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Solution

The fourth proportional to 394,966.20, 592,449.30 and 261,996.60 is: 392,994.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,966.20 : 592,449.30 = 261,996.60 : x
  2. Step 2: Convert to fraction form
    394,966.20/592,449.30 = 261,996.60/x
  3. Step 3: Cross multiply
    394,966.20x = 592,449.30 × 261,996.60
  4. Step 4: Simplify right side
    394,966.20x = 155,219,702,272.38
  5. Step 5: Solve for x
    x = 155,219,702,272.38/394,966.20
  6. Step 6: Final answer
    x = 392,994.90

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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.