Home / 312,747.42-469,771.02-252,843.60

Finding the Fourth Proportional to 312,747.42, 469,771.02 and 252,843.60

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Solution

The fourth proportional to 312,747.42, 469,771.02 and 252,843.60 is: 379,790.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,747.42 : 469,771.02 = 252,843.60 : x
  2. Step 2: Convert to fraction form
    312,747.42/469,771.02 = 252,843.60/x
  3. Step 3: Cross multiply
    312,747.42x = 469,771.02 × 252,843.60
  4. Step 4: Simplify right side
    312,747.42x = 118,778,595,872.47
  5. Step 5: Solve for x
    x = 118,778,595,872.47/312,747.42
  6. Step 6: Final answer
    x = 379,790.81

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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.