Home / 377,966.20-566,949.30-311,481.40

Finding the Fourth Proportional to 377,966.20, 566,949.30 and 311,481.40

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Solution

The fourth proportional to 377,966.20, 566,949.30 and 311,481.40 is: 467,222.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,966.20 : 566,949.30 = 311,481.40 : x
  2. Step 2: Convert to fraction form
    377,966.20/566,949.30 = 311,481.40/x
  3. Step 3: Cross multiply
    377,966.20x = 566,949.30 × 311,481.40
  4. Step 4: Simplify right side
    377,966.20x = 176,594,161,693.02
  5. Step 5: Solve for x
    x = 176,594,161,693.02/377,966.20
  6. Step 6: Final answer
    x = 467,222.10

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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.