Home / 221,261.28-331,883.37-63,489.72

Finding the Fourth Proportional to 221,261.28, 331,883.37 and 63,489.72

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Solution

The fourth proportional to 221,261.28, 331,883.37 and 63,489.72 is: 95,232.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,261.28 : 331,883.37 = 63,489.72 : x
  2. Step 2: Convert to fraction form
    221,261.28/331,883.37 = 63,489.72/x
  3. Step 3: Cross multiply
    221,261.28x = 331,883.37 × 63,489.72
  4. Step 4: Simplify right side
    221,261.28x = 21,071,182,233.96
  5. Step 5: Solve for x
    x = 21,071,182,233.96/221,261.28
  6. Step 6: Final answer
    x = 95,232.13

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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.