Home / 355,902.48-491,145.37-194,757.55

Finding the Fourth Proportional to 355,902.48, 491,145.37 and 194,757.55

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Solution

The fourth proportional to 355,902.48, 491,145.37 and 194,757.55 is: 268,765.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,902.48 : 491,145.37 = 194,757.55 : x
  2. Step 2: Convert to fraction form
    355,902.48/491,145.37 = 194,757.55/x
  3. Step 3: Cross multiply
    355,902.48x = 491,145.37 × 194,757.55
  4. Step 4: Simplify right side
    355,902.48x = 95,654,266,742.76
  5. Step 5: Solve for x
    x = 95,654,266,742.76/355,902.48
  6. Step 6: Final answer
    x = 268,765.39

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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.