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Finding the Fourth Proportional to 221,560.70, 332,341.05 and 132,914.30

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Solution

The fourth proportional to 221,560.70, 332,341.05 and 132,914.30 is: 199,371.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,560.70 : 332,341.05 = 132,914.30 : x
  2. Step 2: Convert to fraction form
    221,560.70/332,341.05 = 132,914.30/x
  3. Step 3: Cross multiply
    221,560.70x = 332,341.05 × 132,914.30
  4. Step 4: Simplify right side
    221,560.70x = 44,172,878,022.02
  5. Step 5: Solve for x
    x = 44,172,878,022.02/221,560.70
  6. Step 6: Final answer
    x = 199,371.45

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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.