Home / 231,845.60-347,768.40-113,592.80

Finding the Fourth Proportional to 231,845.60, 347,768.40 and 113,592.80

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Solution

The fourth proportional to 231,845.60, 347,768.40 and 113,592.80 is: 170,389.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,845.60 : 347,768.40 = 113,592.80 : x
  2. Step 2: Convert to fraction form
    231,845.60/347,768.40 = 113,592.80/x
  3. Step 3: Cross multiply
    231,845.60x = 347,768.40 × 113,592.80
  4. Step 4: Simplify right side
    231,845.60x = 39,503,986,307.52
  5. Step 5: Solve for x
    x = 39,503,986,307.52/231,845.60
  6. Step 6: Final answer
    x = 170,389.20

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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.