Home / 516,815.64-775,340.46-179,872.20

Finding the Fourth Proportional to 516,815.64, 775,340.46 and 179,872.20

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Solution

The fourth proportional to 516,815.64, 775,340.46 and 179,872.20 is: 269,849.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,815.64 : 775,340.46 = 179,872.20 : x
  2. Step 2: Convert to fraction form
    516,815.64/775,340.46 = 179,872.20/x
  3. Step 3: Cross multiply
    516,815.64x = 775,340.46 × 179,872.20
  4. Step 4: Simplify right side
    516,815.64x = 139,462,194,289.21
  5. Step 5: Solve for x
    x = 139,462,194,289.21/516,815.64
  6. Step 6: Final answer
    x = 269,849.02

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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.