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Finding the Fourth Proportional to 275,153.58, 412,375.03 and 123,239.63

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Solution

The fourth proportional to 275,153.58, 412,375.03 and 123,239.63 is: 184,700.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,153.58 : 412,375.03 = 123,239.63 : x
  2. Step 2: Convert to fraction form
    275,153.58/412,375.03 = 123,239.63/x
  3. Step 3: Cross multiply
    275,153.58x = 412,375.03 × 123,239.63
  4. Step 4: Simplify right side
    275,153.58x = 50,820,946,841.28
  5. Step 5: Solve for x
    x = 50,820,946,841.28/275,153.58
  6. Step 6: Final answer
    x = 184,700.29

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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.