Home / 345,815.75-477,224.79-192,854.10

Finding the Fourth Proportional to 345,815.75, 477,224.79 and 192,854.10

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Solution

The fourth proportional to 345,815.75, 477,224.79 and 192,854.10 is: 266,138.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,815.75 : 477,224.79 = 192,854.10 : x
  2. Step 2: Convert to fraction form
    345,815.75/477,224.79 = 192,854.10/x
  3. Step 3: Cross multiply
    345,815.75x = 477,224.79 × 192,854.10
  4. Step 4: Simplify right side
    345,815.75x = 92,034,757,820.54
  5. Step 5: Solve for x
    x = 92,034,757,820.54/345,815.75
  6. Step 6: Final answer
    x = 266,138.13

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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.