Home / 221,501.40-332,252.10-132,709.20

Finding the Fourth Proportional to 221,501.40, 332,252.10 and 132,709.20

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Solution

The fourth proportional to 221,501.40, 332,252.10 and 132,709.20 is: 199,063.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,501.40 : 332,252.10 = 132,709.20 : x
  2. Step 2: Convert to fraction form
    221,501.40/332,252.10 = 132,709.20/x
  3. Step 3: Cross multiply
    221,501.40x = 332,252.10 × 132,709.20
  4. Step 4: Simplify right side
    221,501.40x = 44,092,910,389.32
  5. Step 5: Solve for x
    x = 44,092,910,389.32/221,501.40
  6. Step 6: Final answer
    x = 199,063.80

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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.