Home / 311,822.55-468,007.20-185,304.60

Finding the Fourth Proportional to 311,822.55, 468,007.20 and 185,304.60

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Solution

The fourth proportional to 311,822.55, 468,007.20 and 185,304.60 is: 278,119.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,822.55 : 468,007.20 = 185,304.60 : x
  2. Step 2: Convert to fraction form
    311,822.55/468,007.20 = 185,304.60/x
  3. Step 3: Cross multiply
    311,822.55x = 468,007.20 × 185,304.60
  4. Step 4: Simplify right side
    311,822.55x = 86,723,886,993.12
  5. Step 5: Solve for x
    x = 86,723,886,993.12/311,822.55
  6. Step 6: Final answer
    x = 278,119.36

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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.