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Finding the Fourth Proportional to 100,369.39, 150,612.39 and 44,965.39

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Solution

The fourth proportional to 100,369.39, 150,612.39 and 44,965.39 is: 67,474.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,369.39 : 150,612.39 = 44,965.39 : x
  2. Step 2: Convert to fraction form
    100,369.39/150,612.39 = 44,965.39/x
  3. Step 3: Cross multiply
    100,369.39x = 150,612.39 × 44,965.39
  4. Step 4: Simplify right side
    100,369.39x = 6,772,344,855.18
  5. Step 5: Solve for x
    x = 6,772,344,855.18/100,369.39
  6. Step 6: Final answer
    x = 67,474.21

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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.