Home / 355,908.22-491,153.40-194,763.30

Finding the Fourth Proportional to 355,908.22, 491,153.40 and 194,763.30

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Solution

The fourth proportional to 355,908.22, 491,153.40 and 194,763.30 is: 268,773.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,908.22 : 491,153.40 = 194,763.30 : x
  2. Step 2: Convert to fraction form
    355,908.22/491,153.40 = 194,763.30/x
  3. Step 3: Cross multiply
    355,908.22x = 491,153.40 × 194,763.30
  4. Step 4: Simplify right side
    355,908.22x = 95,658,656,990.22
  5. Step 5: Solve for x
    x = 95,658,656,990.22/355,908.22
  6. Step 6: Final answer
    x = 268,773.38

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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.