Home / 355,849.17-491,069.84-194,701.29

Finding the Fourth Proportional to 355,849.17, 491,069.84 and 194,701.29

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Solution

The fourth proportional to 355,849.17, 491,069.84 and 194,701.29 is: 268,686.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,849.17 : 491,069.84 = 194,701.29 : x
  2. Step 2: Convert to fraction form
    355,849.17/491,069.84 = 194,701.29/x
  3. Step 3: Cross multiply
    355,849.17x = 491,069.84 × 194,701.29
  4. Step 4: Simplify right side
    355,849.17x = 95,611,930,354.59
  5. Step 5: Solve for x
    x = 95,611,930,354.59/355,849.17
  6. Step 6: Final answer
    x = 268,686.68

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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.