Home / 389,052.29-536,896.25-219,286.41

Finding the Fourth Proportional to 389,052.29, 536,896.25 and 219,286.41

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Solution

The fourth proportional to 389,052.29, 536,896.25 and 219,286.41 is: 302,617.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,052.29 : 536,896.25 = 219,286.41 : x
  2. Step 2: Convert to fraction form
    389,052.29/536,896.25 = 219,286.41/x
  3. Step 3: Cross multiply
    389,052.29x = 536,896.25 × 219,286.41
  4. Step 4: Simplify right side
    389,052.29x = 117,734,051,204.96
  5. Step 5: Solve for x
    x = 117,734,051,204.96/389,052.29
  6. Step 6: Final answer
    x = 302,617.55

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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.