Home / 317,890.20-476,198.22-191,459.72

Finding the Fourth Proportional to 317,890.20, 476,198.22 and 191,459.72

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Solution

The fourth proportional to 317,890.20, 476,198.22 and 191,459.72 is: 286,805.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,890.20 : 476,198.22 = 191,459.72 : x
  2. Step 2: Convert to fraction form
    317,890.20/476,198.22 = 191,459.72/x
  3. Step 3: Cross multiply
    317,890.20x = 476,198.22 × 191,459.72
  4. Step 4: Simplify right side
    317,890.20x = 91,172,777,865.70
  5. Step 5: Solve for x
    x = 91,172,777,865.70/317,890.20
  6. Step 6: Final answer
    x = 286,805.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.