Home / 355,914.88-491,162.54-194,769.94

Finding the Fourth Proportional to 355,914.88, 491,162.54 and 194,769.94

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Solution

The fourth proportional to 355,914.88, 491,162.54 and 194,769.94 is: 268,782.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,914.88 : 491,162.54 = 194,769.94 : x
  2. Step 2: Convert to fraction form
    355,914.88/491,162.54 = 194,769.94/x
  3. Step 3: Cross multiply
    355,914.88x = 491,162.54 × 194,769.94
  4. Step 4: Simplify right side
    355,914.88x = 95,663,698,446.05
  5. Step 5: Solve for x
    x = 95,663,698,446.05/355,914.88
  6. Step 6: Final answer
    x = 268,782.52

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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.