Home / 322,905.20-484,139.10-165,003.80

Finding the Fourth Proportional to 322,905.20, 484,139.10 and 165,003.80

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Solution

The fourth proportional to 322,905.20, 484,139.10 and 165,003.80 is: 247,393.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,905.20 : 484,139.10 = 165,003.80 : x
  2. Step 2: Convert to fraction form
    322,905.20/484,139.10 = 165,003.80/x
  3. Step 3: Cross multiply
    322,905.20x = 484,139.10 × 165,003.80
  4. Step 4: Simplify right side
    322,905.20x = 79,884,791,228.58
  5. Step 5: Solve for x
    x = 79,884,791,228.58/322,905.20
  6. Step 6: Final answer
    x = 247,393.94

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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.