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Finding the Fourth Proportional to 304,540.82, 420,261.25 and 168,571.85

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Solution

The fourth proportional to 304,540.82, 420,261.25 and 168,571.85 is: 232,626.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,540.82 : 420,261.25 = 168,571.85 : x
  2. Step 2: Convert to fraction form
    304,540.82/420,261.25 = 168,571.85/x
  3. Step 3: Cross multiply
    304,540.82x = 420,261.25 × 168,571.85
  4. Step 4: Simplify right side
    304,540.82x = 70,844,217,202.55
  5. Step 5: Solve for x
    x = 70,844,217,202.55/304,540.82
  6. Step 6: Final answer
    x = 232,626.34

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1.5x scale

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.