Home / 483,209.91-666,838.71-268,370.10

Finding the Fourth Proportional to 483,209.91, 666,838.71 and 268,370.10

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Solution

The fourth proportional to 483,209.91, 666,838.71 and 268,370.10 is: 370,355.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,209.91 : 666,838.71 = 268,370.10 : x
  2. Step 2: Convert to fraction form
    483,209.91/666,838.71 = 268,370.10/x
  3. Step 3: Cross multiply
    483,209.91x = 666,838.71 × 268,370.10
  4. Step 4: Simplify right side
    483,209.91x = 178,959,571,286.57
  5. Step 5: Solve for x
    x = 178,959,571,286.57/483,209.91
  6. Step 6: Final answer
    x = 370,355.76

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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.