Home / 320,968.11-442,932.81-173,792.27

Finding the Fourth Proportional to 320,968.11, 442,932.81 and 173,792.27

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Solution

The fourth proportional to 320,968.11, 442,932.81 and 173,792.27 is: 239,831.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,968.11 : 442,932.81 = 173,792.27 : x
  2. Step 2: Convert to fraction form
    320,968.11/442,932.81 = 173,792.27/x
  3. Step 3: Cross multiply
    320,968.11x = 442,932.81 × 173,792.27
  4. Step 4: Simplify right side
    320,968.11x = 76,978,298,340.12
  5. Step 5: Solve for x
    x = 76,978,298,340.12/320,968.11
  6. Step 6: Final answer
    x = 239,831.61

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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.