Home / 394,856.72-591,926.68-205,095.28

Finding the Fourth Proportional to 394,856.72, 591,926.68 and 205,095.28

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Solution

The fourth proportional to 394,856.72, 591,926.68 and 205,095.28 is: 307,456.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,856.72 : 591,926.68 = 205,095.28 : x
  2. Step 2: Convert to fraction form
    394,856.72/591,926.68 = 205,095.28/x
  3. Step 3: Cross multiply
    394,856.72x = 591,926.68 × 205,095.28
  4. Step 4: Simplify right side
    394,856.72x = 121,401,368,174.07
  5. Step 5: Solve for x
    x = 121,401,368,174.07/394,856.72
  6. Step 6: Final answer
    x = 307,456.76

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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.