Home / 386,120.75-532,255.97-271,076.66

Finding the Fourth Proportional to 386,120.75, 532,255.97 and 271,076.66

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Solution

The fourth proportional to 386,120.75, 532,255.97 and 271,076.66 is: 373,671.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,120.75 : 532,255.97 = 271,076.66 : x
  2. Step 2: Convert to fraction form
    386,120.75/532,255.97 = 271,076.66/x
  3. Step 3: Cross multiply
    386,120.75x = 532,255.97 × 271,076.66
  4. Step 4: Simplify right side
    386,120.75x = 144,282,168,629.07
  5. Step 5: Solve for x
    x = 144,282,168,629.07/386,120.75
  6. Step 6: Final answer
    x = 373,671.11

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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.