Home / 231,817.03-347,725.55-126,578.59

Finding the Fourth Proportional to 231,817.03, 347,725.55 and 126,578.59

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Solution

The fourth proportional to 231,817.03, 347,725.55 and 126,578.59 is: 189,867.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,817.03 : 347,725.55 = 126,578.59 : x
  2. Step 2: Convert to fraction form
    231,817.03/347,725.55 = 126,578.59/x
  3. Step 3: Cross multiply
    231,817.03x = 347,725.55 × 126,578.59
  4. Step 4: Simplify right side
    231,817.03x = 44,014,609,825.97
  5. Step 5: Solve for x
    x = 44,014,609,825.97/231,817.03
  6. Step 6: Final answer
    x = 189,867.89

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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.