Home / 294,738.20-442,107.30-73,122.20

Finding the Fourth Proportional to 294,738.20, 442,107.30 and 73,122.20

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Solution

The fourth proportional to 294,738.20, 442,107.30 and 73,122.20 is: 109,683.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,738.20 : 442,107.30 = 73,122.20 : x
  2. Step 2: Convert to fraction form
    294,738.20/442,107.30 = 73,122.20/x
  3. Step 3: Cross multiply
    294,738.20x = 442,107.30 × 73,122.20
  4. Step 4: Simplify right side
    294,738.20x = 32,327,858,412.06
  5. Step 5: Solve for x
    x = 32,327,858,412.06/294,738.20
  6. Step 6: Final answer
    x = 109,683.30

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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.