Home / 354,741.28-489,414.72-273,094.50

Finding the Fourth Proportional to 354,741.28, 489,414.72 and 273,094.50

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Solution

The fourth proportional to 354,741.28, 489,414.72 and 273,094.50 is: 376,771.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,741.28 : 489,414.72 = 273,094.50 : x
  2. Step 2: Convert to fraction form
    354,741.28/489,414.72 = 273,094.50/x
  3. Step 3: Cross multiply
    354,741.28x = 489,414.72 × 273,094.50
  4. Step 4: Simplify right side
    354,741.28x = 133,656,468,251.04
  5. Step 5: Solve for x
    x = 133,656,468,251.04/354,741.28
  6. Step 6: Final answer
    x = 376,771.68

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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.