Home / 397,489.30-548,529.93-216,197.33

Finding the Fourth Proportional to 397,489.30, 548,529.93 and 216,197.33

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Solution

The fourth proportional to 397,489.30, 548,529.93 and 216,197.33 is: 298,349.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,489.30 : 548,529.93 = 216,197.33 : x
  2. Step 2: Convert to fraction form
    397,489.30/548,529.93 = 216,197.33/x
  3. Step 3: Cross multiply
    397,489.30x = 548,529.93 × 216,197.33
  4. Step 4: Simplify right side
    397,489.30x = 118,590,703,548.44
  5. Step 5: Solve for x
    x = 118,590,703,548.44/397,489.30
  6. Step 6: Final answer
    x = 298,349.43

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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.