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Finding the Fourth Proportional to 273,444.35, 410,310.54 and 140,324.60

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Solution

The fourth proportional to 273,444.35, 410,310.54 and 140,324.60 is: 210,560.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,444.35 : 410,310.54 = 140,324.60 : x
  2. Step 2: Convert to fraction form
    273,444.35/410,310.54 = 140,324.60/x
  3. Step 3: Cross multiply
    273,444.35x = 410,310.54 × 140,324.60
  4. Step 4: Simplify right side
    273,444.35x = 57,576,663,427.06
  5. Step 5: Solve for x
    x = 57,576,663,427.06/273,444.35
  6. Step 6: Final answer
    x = 210,560.81

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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.