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Finding the Fourth Proportional to 298,989.26, 448,248.43 and 149,152.43

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Solution

The fourth proportional to 298,989.26, 448,248.43 and 149,152.43 is: 223,611.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,989.26 : 448,248.43 = 149,152.43 : x
  2. Step 2: Convert to fraction form
    298,989.26/448,248.43 = 149,152.43/x
  3. Step 3: Cross multiply
    298,989.26x = 448,248.43 × 149,152.43
  4. Step 4: Simplify right side
    298,989.26x = 66,857,342,578.18
  5. Step 5: Solve for x
    x = 66,857,342,578.18/298,989.26
  6. Step 6: Final answer
    x = 223,611.18

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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.