Home / 397,238.02-548,186.16-225,188.43

Finding the Fourth Proportional to 397,238.02, 548,186.16 and 225,188.43

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Solution

The fourth proportional to 397,238.02, 548,186.16 and 225,188.43 is: 310,758.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,238.02 : 548,186.16 = 225,188.43 : x
  2. Step 2: Convert to fraction form
    397,238.02/548,186.16 = 225,188.43/x
  3. Step 3: Cross multiply
    397,238.02x = 548,186.16 × 225,188.43
  4. Step 4: Simplify right side
    397,238.02x = 123,445,180,718.13
  5. Step 5: Solve for x
    x = 123,445,180,718.13/397,238.02
  6. Step 6: Final answer
    x = 310,758.73

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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.