Home / 397,157.26-548,082.48-215,869.06

Finding the Fourth Proportional to 397,157.26, 548,082.48 and 215,869.06

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Solution

The fourth proportional to 397,157.26, 548,082.48 and 215,869.06 is: 297,902.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,157.26 : 548,082.48 = 215,869.06 : x
  2. Step 2: Convert to fraction form
    397,157.26/548,082.48 = 215,869.06/x
  3. Step 3: Cross multiply
    397,157.26x = 548,082.48 × 215,869.06
  4. Step 4: Simplify right side
    397,157.26x = 118,314,049,760.07
  5. Step 5: Solve for x
    x = 118,314,049,760.07/397,157.26
  6. Step 6: Final answer
    x = 297,902.27

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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.