Home / 295,945.14-443,930.67-85,604.34

Finding the Fourth Proportional to 295,945.14, 443,930.67 and 85,604.34

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Solution

The fourth proportional to 295,945.14, 443,930.67 and 85,604.34 is: 128,410.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,945.14 : 443,930.67 = 85,604.34 : x
  2. Step 2: Convert to fraction form
    295,945.14/443,930.67 = 85,604.34/x
  3. Step 3: Cross multiply
    295,945.14x = 443,930.67 × 85,604.34
  4. Step 4: Simplify right side
    295,945.14x = 38,002,392,011.11
  5. Step 5: Solve for x
    x = 38,002,392,011.11/295,945.14
  6. Step 6: Final answer
    x = 128,410.26

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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.