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Finding the Fourth Proportional to 275,816.50, 412,953.95 and 149,002.42

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Solution

The fourth proportional to 275,816.50, 412,953.95 and 149,002.42 is: 223,087.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,816.50 : 412,953.95 = 149,002.42 : x
  2. Step 2: Convert to fraction form
    275,816.50/412,953.95 = 149,002.42/x
  3. Step 3: Cross multiply
    275,816.50x = 412,953.95 × 149,002.42
  4. Step 4: Simplify right side
    275,816.50x = 61,531,137,153.55
  5. Step 5: Solve for x
    x = 61,531,137,153.55/275,816.50
  6. Step 6: Final answer
    x = 223,087.22

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.