Home / 353,426.60-487,721.99-196,257.24

Finding the Fourth Proportional to 353,426.60, 487,721.99 and 196,257.24

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Solution

The fourth proportional to 353,426.60, 487,721.99 and 196,257.24 is: 270,831.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,426.60 : 487,721.99 = 196,257.24 : x
  2. Step 2: Convert to fraction form
    353,426.60/487,721.99 = 196,257.24/x
  3. Step 3: Cross multiply
    353,426.60x = 487,721.99 × 196,257.24
  4. Step 4: Simplify right side
    353,426.60x = 95,718,972,135.35
  5. Step 5: Solve for x
    x = 95,718,972,135.35/353,426.60
  6. Step 6: Final answer
    x = 270,831.26

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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.