Home / 221,965.44-333,031.99-133,280.56

Finding the Fourth Proportional to 221,965.44, 333,031.99 and 133,280.56

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Solution

The fourth proportional to 221,965.44, 333,031.99 and 133,280.56 is: 199,971.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,965.44 : 333,031.99 = 133,280.56 : x
  2. Step 2: Convert to fraction form
    221,965.44/333,031.99 = 133,280.56/x
  3. Step 3: Cross multiply
    221,965.44x = 333,031.99 × 133,280.56
  4. Step 4: Simplify right side
    221,965.44x = 44,386,690,125.11
  5. Step 5: Solve for x
    x = 44,386,690,125.11/221,965.44
  6. Step 6: Final answer
    x = 199,971.18

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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.