Home / 355,932.43-491,185.62-194,788.80

Finding the Fourth Proportional to 355,932.43, 491,185.62 and 194,788.80

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Solution

The fourth proportional to 355,932.43, 491,185.62 and 194,788.80 is: 268,807.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,932.43 : 491,185.62 = 194,788.80 : x
  2. Step 2: Convert to fraction form
    355,932.43/491,185.62 = 194,788.80/x
  3. Step 3: Cross multiply
    355,932.43x = 491,185.62 × 194,788.80
  4. Step 4: Simplify right side
    355,932.43x = 95,677,457,497.06
  5. Step 5: Solve for x
    x = 95,677,457,497.06/355,932.43
  6. Step 6: Final answer
    x = 268,807.93

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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.