Home / 856,185.38-1,284,175.83-225,148.34

Finding the Fourth Proportional to 856,185.38, 1,284,175.83 and 225,148.34

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Solution

The fourth proportional to 856,185.38, 1,284,175.83 and 225,148.34 is: 337,695.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,185.38 : 1,284,175.83 = 225,148.34 : x
  2. Step 2: Convert to fraction form
    856,185.38/1,284,175.83 = 225,148.34/x
  3. Step 3: Cross multiply
    856,185.38x = 1,284,175.83 × 225,148.34
  4. Step 4: Simplify right side
    856,185.38x = 289,130,056,392.62
  5. Step 5: Solve for x
    x = 289,130,056,392.62/856,185.38
  6. Step 6: Final answer
    x = 337,695.62

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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.