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Finding the Fourth Proportional to 304,538.82, 420,257.48 and 168,572.73

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Solution

The fourth proportional to 304,538.82, 420,257.48 and 168,572.73 is: 232,626.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,538.82 : 420,257.48 = 168,572.73 : x
  2. Step 2: Convert to fraction form
    304,538.82/420,257.48 = 168,572.73/x
  3. Step 3: Cross multiply
    304,538.82x = 420,257.48 × 168,572.73
  4. Step 4: Simplify right side
    304,538.82x = 70,843,949,863.66
  5. Step 5: Solve for x
    x = 70,843,949,863.66/304,538.82
  6. Step 6: Final answer
    x = 232,626.99

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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.