Home / 516,719.45-775,096.90-179,763.10

Finding the Fourth Proportional to 516,719.45, 775,096.90 and 179,763.10

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Solution

The fourth proportional to 516,719.45, 775,096.90 and 179,763.10 is: 269,650.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,719.45 : 775,096.90 = 179,763.10 : x
  2. Step 2: Convert to fraction form
    516,719.45/775,096.90 = 179,763.10/x
  3. Step 3: Cross multiply
    516,719.45x = 775,096.90 × 179,763.10
  4. Step 4: Simplify right side
    516,719.45x = 139,333,819,157.24
  5. Step 5: Solve for x
    x = 139,333,819,157.24/516,719.45
  6. Step 6: Final answer
    x = 269,650.81

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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.