Home / 355,833.90-491,046.36-194,686.62

Finding the Fourth Proportional to 355,833.90, 491,046.36 and 194,686.62

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Solution

The fourth proportional to 355,833.90, 491,046.36 and 194,686.62 is: 268,665.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,833.90 : 491,046.36 = 194,686.62 : x
  2. Step 2: Convert to fraction form
    355,833.90/491,046.36 = 194,686.62/x
  3. Step 3: Cross multiply
    355,833.90x = 491,046.36 × 194,686.62
  4. Step 4: Simplify right side
    355,833.90x = 95,600,156,091.70
  5. Step 5: Solve for x
    x = 95,600,156,091.70/355,833.90
  6. Step 6: Final answer
    x = 268,665.12

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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.