Home / 278,831.57-418,010.88-110,470.84

Finding the Fourth Proportional to 278,831.57, 418,010.88 and 110,470.84

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Solution

The fourth proportional to 278,831.57, 418,010.88 and 110,470.84 is: 165,612.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,831.57 : 418,010.88 = 110,470.84 : x
  2. Step 2: Convert to fraction form
    278,831.57/418,010.88 = 110,470.84/x
  3. Step 3: Cross multiply
    278,831.57x = 418,010.88 × 110,470.84
  4. Step 4: Simplify right side
    278,831.57x = 46,178,011,790.58
  5. Step 5: Solve for x
    x = 46,178,011,790.58/278,831.57
  6. Step 6: Final answer
    x = 165,612.57

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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.