Home / 221,861.90-332,598.45-133,021.10

Finding the Fourth Proportional to 221,861.90, 332,598.45 and 133,021.10

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Solution

The fourth proportional to 221,861.90, 332,598.45 and 133,021.10 is: 199,415.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,861.90 : 332,598.45 = 133,021.10 : x
  2. Step 2: Convert to fraction form
    221,861.90/332,598.45 = 133,021.10/x
  3. Step 3: Cross multiply
    221,861.90x = 332,598.45 × 133,021.10
  4. Step 4: Simplify right side
    221,861.90x = 44,242,611,677.30
  5. Step 5: Solve for x
    x = 44,242,611,677.30/221,861.90
  6. Step 6: Final answer
    x = 199,415.09

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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.