Home / 295,901.24-443,786.90-85,493.40

Finding the Fourth Proportional to 295,901.24, 443,786.90 and 85,493.40

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Solution

The fourth proportional to 295,901.24, 443,786.90 and 85,493.40 is: 128,221.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,901.24 : 443,786.90 = 85,493.40 : x
  2. Step 2: Convert to fraction form
    295,901.24/443,786.90 = 85,493.40/x
  3. Step 3: Cross multiply
    295,901.24x = 443,786.90 × 85,493.40
  4. Step 4: Simplify right side
    295,901.24x = 37,940,850,956.46
  5. Step 5: Solve for x
    x = 37,940,850,956.46/295,901.24
  6. Step 6: Final answer
    x = 128,221.33

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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.