Home / 422,341.37-582,831.06-231,354.71

Finding the Fourth Proportional to 422,341.37, 582,831.06 and 231,354.71

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Solution

The fourth proportional to 422,341.37, 582,831.06 and 231,354.71 is: 319,269.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,341.37 : 582,831.06 = 231,354.71 : x
  2. Step 2: Convert to fraction form
    422,341.37/582,831.06 = 231,354.71/x
  3. Step 3: Cross multiply
    422,341.37x = 582,831.06 × 231,354.71
  4. Step 4: Simplify right side
    422,341.37x = 134,840,710,865.29
  5. Step 5: Solve for x
    x = 134,840,710,865.29/422,341.37
  6. Step 6: Final answer
    x = 319,269.48

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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.