Home / 345,077.88-476,195.78-194,145.72

Finding the Fourth Proportional to 345,077.88, 476,195.78 and 194,145.72

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Solution

The fourth proportional to 345,077.88, 476,195.78 and 194,145.72 is: 267,914.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,077.88 : 476,195.78 = 194,145.72 : x
  2. Step 2: Convert to fraction form
    345,077.88/476,195.78 = 194,145.72/x
  3. Step 3: Cross multiply
    345,077.88x = 476,195.78 × 194,145.72
  4. Step 4: Simplify right side
    345,077.88x = 92,451,372,569.06
  5. Step 5: Solve for x
    x = 92,451,372,569.06/345,077.88
  6. Step 6: Final answer
    x = 267,914.51

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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.