Home / 415,391.04-573,251.52-231,633.84

Finding the Fourth Proportional to 415,391.04, 573,251.52 and 231,633.84

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Solution

The fourth proportional to 415,391.04, 573,251.52 and 231,633.84 is: 319,661.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,391.04 : 573,251.52 = 231,633.84 : x
  2. Step 2: Convert to fraction form
    415,391.04/573,251.52 = 231,633.84/x
  3. Step 3: Cross multiply
    415,391.04x = 573,251.52 × 231,633.84
  4. Step 4: Simplify right side
    415,391.04x = 132,784,450,863.44
  5. Step 5: Solve for x
    x = 132,784,450,863.44/415,391.04
  6. Step 6: Final answer
    x = 319,661.33

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1.5x scale

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.