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Finding the Fourth Proportional to 356,690.82, 492,222.66 and 195,540.36

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Solution

The fourth proportional to 356,690.82, 492,222.66 and 195,540.36 is: 269,839.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,690.82 : 492,222.66 = 195,540.36 : x
  2. Step 2: Convert to fraction form
    356,690.82/492,222.66 = 195,540.36/x
  3. Step 3: Cross multiply
    356,690.82x = 492,222.66 × 195,540.36
  4. Step 4: Simplify right side
    356,690.82x = 96,249,396,136.56
  5. Step 5: Solve for x
    x = 96,249,396,136.56/356,690.82
  6. Step 6: Final answer
    x = 269,839.85

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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.