Home / 226,422.40-312,366-141,391.84

Finding the Fourth Proportional to 226,422.40, 312,366 and 141,391.84

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Solution

The fourth proportional to 226,422.40, 312,366 and 141,391.84 is: 195,060.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,422.40 : 312,366 = 141,391.84 : x
  2. Step 2: Convert to fraction form
    226,422.40/312,366 = 141,391.84/x
  3. Step 3: Cross multiply
    226,422.40x = 312,366 × 141,391.84
  4. Step 4: Simplify right side
    226,422.40x = 44,166,003,493.44
  5. Step 5: Solve for x
    x = 44,166,003,493.44/226,422.40
  6. Step 6: Final answer
    x = 195,060.22

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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.