Home / 355,904.46-491,148.20-194,759.54

Finding the Fourth Proportional to 355,904.46, 491,148.20 and 194,759.54

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Solution

The fourth proportional to 355,904.46, 491,148.20 and 194,759.54 is: 268,768.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,904.46 : 491,148.20 = 194,759.54 : x
  2. Step 2: Convert to fraction form
    355,904.46/491,148.20 = 194,759.54/x
  3. Step 3: Cross multiply
    355,904.46x = 491,148.20 × 194,759.54
  4. Step 4: Simplify right side
    355,904.46x = 95,655,799,218.60
  5. Step 5: Solve for x
    x = 95,655,799,218.60/355,904.46
  6. Step 6: Final answer
    x = 268,768.19

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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.