Home / 345,035.05-476,143.24-192,072.97

Finding the Fourth Proportional to 345,035.05, 476,143.24 and 192,072.97

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Solution

The fourth proportional to 345,035.05, 476,143.24 and 192,072.97 is: 265,057.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,035.05 : 476,143.24 = 192,072.97 : x
  2. Step 2: Convert to fraction form
    345,035.05/476,143.24 = 192,072.97/x
  3. Step 3: Cross multiply
    345,035.05x = 476,143.24 × 192,072.97
  4. Step 4: Simplify right side
    345,035.05x = 91,454,243,391.32
  5. Step 5: Solve for x
    x = 91,454,243,391.32/345,035.05
  6. Step 6: Final answer
    x = 265,057.83

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1.5x scale

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.