Home / 415,568.37-623,387.92-131,182.84

Finding the Fourth Proportional to 415,568.37, 623,387.92 and 131,182.84

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Solution

The fourth proportional to 415,568.37, 623,387.92 and 131,182.84 is: 196,785.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,568.37 : 623,387.92 = 131,182.84 : x
  2. Step 2: Convert to fraction form
    415,568.37/623,387.92 = 131,182.84/x
  3. Step 3: Cross multiply
    415,568.37x = 623,387.92 × 131,182.84
  4. Step 4: Simplify right side
    415,568.37x = 81,777,795,880.87
  5. Step 5: Solve for x
    x = 81,777,795,880.87/415,568.37
  6. Step 6: Final answer
    x = 196,785.42

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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.