Home / 320,470.42-442,231.17-175,247.38

Finding the Fourth Proportional to 320,470.42, 442,231.17 and 175,247.38

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Solution

The fourth proportional to 320,470.42, 442,231.17 and 175,247.38 is: 241,831.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,470.42 : 442,231.17 = 175,247.38 : x
  2. Step 2: Convert to fraction form
    320,470.42/442,231.17 = 175,247.38/x
  3. Step 3: Cross multiply
    320,470.42x = 442,231.17 × 175,247.38
  4. Step 4: Simplify right side
    320,470.42x = 77,499,853,896.83
  5. Step 5: Solve for x
    x = 77,499,853,896.83/320,470.42
  6. Step 6: Final answer
    x = 241,831.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.