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Finding the Fourth Proportional to 365,013.79, 547,520.75 and 137,352.27

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Solution

The fourth proportional to 365,013.79, 547,520.75 and 137,352.27 is: 206,028.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,013.79 : 547,520.75 = 137,352.27 : x
  2. Step 2: Convert to fraction form
    365,013.79/547,520.75 = 137,352.27/x
  3. Step 3: Cross multiply
    365,013.79x = 547,520.75 × 137,352.27
  4. Step 4: Simplify right side
    365,013.79x = 75,203,217,884.60
  5. Step 5: Solve for x
    x = 75,203,217,884.60/365,013.79
  6. Step 6: Final answer
    x = 206,028.43

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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.