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Finding the Fourth Proportional to 378,148.01, 567,219.98 and 218,120.22

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Solution

The fourth proportional to 378,148.01, 567,219.98 and 218,120.22 is: 327,179.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,148.01 : 567,219.98 = 218,120.22 : x
  2. Step 2: Convert to fraction form
    378,148.01/567,219.98 = 218,120.22/x
  3. Step 3: Cross multiply
    378,148.01x = 567,219.98 × 218,120.22
  4. Step 4: Simplify right side
    378,148.01x = 123,722,147,153.44
  5. Step 5: Solve for x
    x = 123,722,147,153.44/378,148.01
  6. Step 6: Final answer
    x = 327,179.16

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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.