Home / 231,743.60-347,615.40-226,559.60

Finding the Fourth Proportional to 231,743.60, 347,615.40 and 226,559.60

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Solution

The fourth proportional to 231,743.60, 347,615.40 and 226,559.60 is: 339,839.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,743.60 : 347,615.40 = 226,559.60 : x
  2. Step 2: Convert to fraction form
    231,743.60/347,615.40 = 226,559.60/x
  3. Step 3: Cross multiply
    231,743.60x = 347,615.40 × 226,559.60
  4. Step 4: Simplify right side
    231,743.60x = 78,755,605,977.84
  5. Step 5: Solve for x
    x = 78,755,605,977.84/231,743.60
  6. Step 6: Final answer
    x = 339,839.40

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1.5x scale

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.