Home / 295,720.40-443,872.20-146,129.60

Finding the Fourth Proportional to 295,720.40, 443,872.20 and 146,129.60

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Solution

The fourth proportional to 295,720.40, 443,872.20 and 146,129.60 is: 219,338.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,720.40 : 443,872.20 = 146,129.60 : x
  2. Step 2: Convert to fraction form
    295,720.40/443,872.20 = 146,129.60/x
  3. Step 3: Cross multiply
    295,720.40x = 443,872.20 × 146,129.60
  4. Step 4: Simplify right side
    295,720.40x = 64,862,867,037.12
  5. Step 5: Solve for x
    x = 64,862,867,037.12/295,720.40
  6. Step 6: Final answer
    x = 219,338.49

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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.