Home / 252,184.80-377,816.40-205,183.20

Finding the Fourth Proportional to 252,184.80, 377,816.40 and 205,183.20

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Solution

The fourth proportional to 252,184.80, 377,816.40 and 205,183.20 is: 307,399.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,184.80 : 377,816.40 = 205,183.20 : x
  2. Step 2: Convert to fraction form
    252,184.80/377,816.40 = 205,183.20/x
  3. Step 3: Cross multiply
    252,184.80x = 377,816.40 × 205,183.20
  4. Step 4: Simplify right side
    252,184.80x = 77,521,577,964.48
  5. Step 5: Solve for x
    x = 77,521,577,964.48/252,184.80
  6. Step 6: Final answer
    x = 307,399.88

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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.