Home / 535,966.20-803,949.30-161,989.20

Finding the Fourth Proportional to 535,966.20, 803,949.30 and 161,989.20

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Solution

The fourth proportional to 535,966.20, 803,949.30 and 161,989.20 is: 242,983.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,966.20 : 803,949.30 = 161,989.20 : x
  2. Step 2: Convert to fraction form
    535,966.20/803,949.30 = 161,989.20/x
  3. Step 3: Cross multiply
    535,966.20x = 803,949.30 × 161,989.20
  4. Step 4: Simplify right side
    535,966.20x = 130,231,103,947.56
  5. Step 5: Solve for x
    x = 130,231,103,947.56/535,966.20
  6. Step 6: Final answer
    x = 242,983.80

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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.