Home / 236,474.46-354,851.76-221,512.95

Finding the Fourth Proportional to 236,474.46, 354,851.76 and 221,512.95

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Solution

The fourth proportional to 236,474.46, 354,851.76 and 221,512.95 is: 332,400.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,474.46 : 354,851.76 = 221,512.95 : x
  2. Step 2: Convert to fraction form
    236,474.46/354,851.76 = 221,512.95/x
  3. Step 3: Cross multiply
    236,474.46x = 354,851.76 × 221,512.95
  4. Step 4: Simplify right side
    236,474.46x = 78,604,261,375.98
  5. Step 5: Solve for x
    x = 78,604,261,375.98/236,474.46
  6. Step 6: Final answer
    x = 332,400.63

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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.