Home / 221,227.36-331,840.96-55,015.36

Finding the Fourth Proportional to 221,227.36, 331,840.96 and 55,015.36

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Solution

The fourth proportional to 221,227.36, 331,840.96 and 55,015.36 is: 82,523.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,227.36 : 331,840.96 = 55,015.36 : x
  2. Step 2: Convert to fraction form
    221,227.36/331,840.96 = 55,015.36/x
  3. Step 3: Cross multiply
    221,227.36x = 331,840.96 × 55,015.36
  4. Step 4: Simplify right side
    221,227.36x = 18,256,349,877.15
  5. Step 5: Solve for x
    x = 18,256,349,877.15/221,227.36
  6. Step 6: Final answer
    x = 82,523.02

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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.