Home / 221,246.91-331,872.29-71,487.22

Finding the Fourth Proportional to 221,246.91, 331,872.29 and 71,487.22

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Solution

The fourth proportional to 221,246.91, 331,872.29 and 71,487.22 is: 107,231.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,246.91 : 331,872.29 = 71,487.22 : x
  2. Step 2: Convert to fraction form
    221,246.91/331,872.29 = 71,487.22/x
  3. Step 3: Cross multiply
    221,246.91x = 331,872.29 × 71,487.22
  4. Step 4: Simplify right side
    221,246.91x = 23,724,627,228.42
  5. Step 5: Solve for x
    x = 23,724,627,228.42/221,246.91
  6. Step 6: Final answer
    x = 107,231.45

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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.