Home / 351,218.76-526,831.20-84,979.54

Finding the Fourth Proportional to 351,218.76, 526,831.20 and 84,979.54

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Solution

The fourth proportional to 351,218.76, 526,831.20 and 84,979.54 is: 127,470.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,218.76 : 526,831.20 = 84,979.54 : x
  2. Step 2: Convert to fraction form
    351,218.76/526,831.20 = 84,979.54/x
  3. Step 3: Cross multiply
    351,218.76x = 526,831.20 × 84,979.54
  4. Step 4: Simplify right side
    351,218.76x = 44,769,873,033.65
  5. Step 5: Solve for x
    x = 44,769,873,033.65/351,218.76
  6. Step 6: Final answer
    x = 127,470.05

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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.