Home / 856,184.88-1,284,175.08-225,147.84

Finding the Fourth Proportional to 856,184.88, 1,284,175.08 and 225,147.84

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Solution

The fourth proportional to 856,184.88, 1,284,175.08 and 225,147.84 is: 337,694.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,184.88 : 1,284,175.08 = 225,147.84 : x
  2. Step 2: Convert to fraction form
    856,184.88/1,284,175.08 = 225,147.84/x
  3. Step 3: Cross multiply
    856,184.88x = 1,284,175.08 × 225,147.84
  4. Step 4: Simplify right side
    856,184.88x = 289,129,245,443.83
  5. Step 5: Solve for x
    x = 289,129,245,443.83/856,184.88
  6. Step 6: Final answer
    x = 337,694.87

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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.