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Finding the Fourth Proportional to 227,679.57, 341,495.95 and 75,860.25

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Solution

The fourth proportional to 227,679.57, 341,495.95 and 75,860.25 is: 113,782.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,679.57 : 341,495.95 = 75,860.25 : x
  2. Step 2: Convert to fraction form
    227,679.57/341,495.95 = 75,860.25/x
  3. Step 3: Cross multiply
    227,679.57x = 341,495.95 × 75,860.25
  4. Step 4: Simplify right side
    227,679.57x = 25,905,967,951.34
  5. Step 5: Solve for x
    x = 25,905,967,951.34/227,679.57
  6. Step 6: Final answer
    x = 113,782.58

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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.