Home / 225,748.89-338,619.90-54,972.21

Finding the Fourth Proportional to 225,748.89, 338,619.90 and 54,972.21

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Solution

The fourth proportional to 225,748.89, 338,619.90 and 54,972.21 is: 82,457.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,748.89 : 338,619.90 = 54,972.21 : x
  2. Step 2: Convert to fraction form
    225,748.89/338,619.90 = 54,972.21/x
  3. Step 3: Cross multiply
    225,748.89x = 338,619.90 × 54,972.21
  4. Step 4: Simplify right side
    225,748.89x = 18,614,684,252.98
  5. Step 5: Solve for x
    x = 18,614,684,252.98/225,748.89
  6. Step 6: Final answer
    x = 82,457.48

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1.5x scale

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.