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Finding the Fourth Proportional to 100,336.08, 150,569.22 and 43,465.54

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Solution

The fourth proportional to 100,336.08, 150,569.22 and 43,465.54 is: 65,226.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,336.08 : 150,569.22 = 43,465.54 : x
  2. Step 2: Convert to fraction form
    100,336.08/150,569.22 = 43,465.54/x
  3. Step 3: Cross multiply
    100,336.08x = 150,569.22 × 43,465.54
  4. Step 4: Simplify right side
    100,336.08x = 6,544,572,454.68
  5. Step 5: Solve for x
    x = 6,544,572,454.68/100,336.08
  6. Step 6: Final answer
    x = 65,226.51

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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.