Home / 345,067.50-476,144.13-192,084.45

Finding the Fourth Proportional to 345,067.50, 476,144.13 and 192,084.45

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Solution

The fourth proportional to 345,067.50, 476,144.13 and 192,084.45 is: 265,049.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,067.50 : 476,144.13 = 192,084.45 : x
  2. Step 2: Convert to fraction form
    345,067.50/476,144.13 = 192,084.45/x
  3. Step 3: Cross multiply
    345,067.50x = 476,144.13 × 192,084.45
  4. Step 4: Simplify right side
    345,067.50x = 91,459,883,331.78
  5. Step 5: Solve for x
    x = 91,459,883,331.78/345,067.50
  6. Step 6: Final answer
    x = 265,049.25

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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.