Home / 414,382.20-621,511.79-114,831.55

Finding the Fourth Proportional to 414,382.20, 621,511.79 and 114,831.55

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Solution

The fourth proportional to 414,382.20, 621,511.79 and 114,831.55 is: 172,230.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,382.20 : 621,511.79 = 114,831.55 : x
  2. Step 2: Convert to fraction form
    414,382.20/621,511.79 = 114,831.55/x
  3. Step 3: Cross multiply
    414,382.20x = 621,511.79 × 114,831.55
  4. Step 4: Simplify right side
    414,382.20x = 71,369,158,895.70
  5. Step 5: Solve for x
    x = 71,369,158,895.70/414,382.20
  6. Step 6: Final answer
    x = 172,230.27

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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.