Home / 221,976.64-306,575.04-205,180.48

Finding the Fourth Proportional to 221,976.64, 306,575.04 and 205,180.48

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Solution

The fourth proportional to 221,976.64, 306,575.04 and 205,180.48 is: 283,377.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,976.64 : 306,575.04 = 205,180.48 : x
  2. Step 2: Convert to fraction form
    221,976.64/306,575.04 = 205,180.48/x
  3. Step 3: Cross multiply
    221,976.64x = 306,575.04 × 205,180.48
  4. Step 4: Simplify right side
    221,976.64x = 62,903,213,863.22
  5. Step 5: Solve for x
    x = 62,903,213,863.22/221,976.64
  6. Step 6: Final answer
    x = 283,377.63

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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.