Home / 397,303.25-548,297.23-225,224.55

Finding the Fourth Proportional to 397,303.25, 548,297.23 and 225,224.55

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Solution

The fourth proportional to 397,303.25, 548,297.23 and 225,224.55 is: 310,820.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,303.25 : 548,297.23 = 225,224.55 : x
  2. Step 2: Convert to fraction form
    397,303.25/548,297.23 = 225,224.55/x
  3. Step 3: Cross multiply
    397,303.25x = 548,297.23 × 225,224.55
  4. Step 4: Simplify right side
    397,303.25x = 123,489,996,893.00
  5. Step 5: Solve for x
    x = 123,489,996,893.00/397,303.25
  6. Step 6: Final answer
    x = 310,820.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.