Home / 348,278.85-521,747.60-295,557.57

Finding the Fourth Proportional to 348,278.85, 521,747.60 and 295,557.57

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Solution

The fourth proportional to 348,278.85, 521,747.60 and 295,557.57 is: 442,767.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,278.85 : 521,747.60 = 295,557.57 : x
  2. Step 2: Convert to fraction form
    348,278.85/521,747.60 = 295,557.57/x
  3. Step 3: Cross multiply
    348,278.85x = 521,747.60 × 295,557.57
  4. Step 4: Simplify right side
    348,278.85x = 154,206,451,331.54
  5. Step 5: Solve for x
    x = 154,206,451,331.54/348,278.85
  6. Step 6: Final answer
    x = 442,767.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.