Home / 284,788.44-392,919.26-189,311.31

Finding the Fourth Proportional to 284,788.44, 392,919.26 and 189,311.31

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Solution

The fourth proportional to 284,788.44, 392,919.26 and 189,311.31 is: 261,190.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,788.44 : 392,919.26 = 189,311.31 : x
  2. Step 2: Convert to fraction form
    284,788.44/392,919.26 = 189,311.31/x
  3. Step 3: Cross multiply
    284,788.44x = 392,919.26 × 189,311.31
  4. Step 4: Simplify right side
    284,788.44x = 74,384,058,888.27
  5. Step 5: Solve for x
    x = 74,384,058,888.27/284,788.44
  6. Step 6: Final answer
    x = 261,190.58

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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.