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Finding the Fourth Proportional to 351,844.80, 526,773.60 and 273,868.80

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Solution

The fourth proportional to 351,844.80, 526,773.60 and 273,868.80 is: 410,029.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,844.80 : 526,773.60 = 273,868.80 : x
  2. Step 2: Convert to fraction form
    351,844.80/526,773.60 = 273,868.80/x
  3. Step 3: Cross multiply
    351,844.80x = 526,773.60 × 273,868.80
  4. Step 4: Simplify right side
    351,844.80x = 144,266,853,703.68
  5. Step 5: Solve for x
    x = 144,266,853,703.68/351,844.80
  6. Step 6: Final answer
    x = 410,029.80

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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.