Home / 699,136.11-1,048,704.17-219,437.91

Finding the Fourth Proportional to 699,136.11, 1,048,704.17 and 219,437.91

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Solution

The fourth proportional to 699,136.11, 1,048,704.17 and 219,437.91 is: 329,156.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,136.11 : 1,048,704.17 = 219,437.91 : x
  2. Step 2: Convert to fraction form
    699,136.11/1,048,704.17 = 219,437.91/x
  3. Step 3: Cross multiply
    699,136.11x = 1,048,704.17 × 219,437.91
  4. Step 4: Simplify right side
    699,136.11x = 230,125,450,175.90
  5. Step 5: Solve for x
    x = 230,125,450,175.90/699,136.11
  6. Step 6: Final answer
    x = 329,156.87

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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.