Home / 307,546.20-461,405.70-149,779.80

Finding the Fourth Proportional to 307,546.20, 461,405.70 and 149,779.80

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Solution

The fourth proportional to 307,546.20, 461,405.70 and 149,779.80 is: 224,711.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,546.20 : 461,405.70 = 149,779.80 : x
  2. Step 2: Convert to fraction form
    307,546.20/461,405.70 = 149,779.80/x
  3. Step 3: Cross multiply
    307,546.20x = 461,405.70 × 149,779.80
  4. Step 4: Simplify right side
    307,546.20x = 69,109,253,464.86
  5. Step 5: Solve for x
    x = 69,109,253,464.86/307,546.20
  6. Step 6: Final answer
    x = 224,711.78

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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.