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Finding the Fourth Proportional to 216,841.72, 325,449.42 and 150,328.56

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Solution

The fourth proportional to 216,841.72, 325,449.42 and 150,328.56 is: 225,622.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,841.72 : 325,449.42 = 150,328.56 : x
  2. Step 2: Convert to fraction form
    216,841.72/325,449.42 = 150,328.56/x
  3. Step 3: Cross multiply
    216,841.72x = 325,449.42 × 150,328.56
  4. Step 4: Simplify right side
    216,841.72x = 48,924,342,661.44
  5. Step 5: Solve for x
    x = 48,924,342,661.44/216,841.72
  6. Step 6: Final answer
    x = 225,622.37

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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.