Home / 221,207.25-331,812.14-54,995.25

Finding the Fourth Proportional to 221,207.25, 331,812.14 and 54,995.25

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Solution

The fourth proportional to 221,207.25, 331,812.14 and 54,995.25 is: 82,493.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,207.25 : 331,812.14 = 54,995.25 : x
  2. Step 2: Convert to fraction form
    221,207.25/331,812.14 = 54,995.25/x
  3. Step 3: Cross multiply
    221,207.25x = 331,812.14 × 54,995.25
  4. Step 4: Simplify right side
    221,207.25x = 18,248,091,317.36
  5. Step 5: Solve for x
    x = 18,248,091,317.36/221,207.25
  6. Step 6: Final answer
    x = 82,493.19

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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.