Home / 221,472.28-331,975.14-110,431

Finding the Fourth Proportional to 221,472.28, 331,975.14 and 110,431

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Solution

The fourth proportional to 221,472.28, 331,975.14 and 110,431 is: 165,530.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,472.28 : 331,975.14 = 110,431 : x
  2. Step 2: Convert to fraction form
    221,472.28/331,975.14 = 110,431/x
  3. Step 3: Cross multiply
    221,472.28x = 331,975.14 × 110,431
  4. Step 4: Simplify right side
    221,472.28x = 36,660,346,685.34
  5. Step 5: Solve for x
    x = 36,660,346,685.34/221,472.28
  6. Step 6: Final answer
    x = 165,530.18

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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.