Home / 355,895.89-491,136.30-194,750.96

Finding the Fourth Proportional to 355,895.89, 491,136.30 and 194,750.96

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Solution

The fourth proportional to 355,895.89, 491,136.30 and 194,750.96 is: 268,756.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,895.89 : 491,136.30 = 194,750.96 : x
  2. Step 2: Convert to fraction form
    355,895.89/491,136.30 = 194,750.96/x
  3. Step 3: Cross multiply
    355,895.89x = 491,136.30 × 194,750.96
  4. Step 4: Simplify right side
    355,895.89x = 95,649,263,460.17
  5. Step 5: Solve for x
    x = 95,649,263,460.17/355,895.89
  6. Step 6: Final answer
    x = 268,756.30

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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.