Home / 221,718.20-332,577.30-133,071.80

Finding the Fourth Proportional to 221,718.20, 332,577.30 and 133,071.80

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Solution

The fourth proportional to 221,718.20, 332,577.30 and 133,071.80 is: 199,607.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,718.20 : 332,577.30 = 133,071.80 : x
  2. Step 2: Convert to fraction form
    221,718.20/332,577.30 = 133,071.80/x
  3. Step 3: Cross multiply
    221,718.20x = 332,577.30 × 133,071.80
  4. Step 4: Simplify right side
    221,718.20x = 44,256,659,950.14
  5. Step 5: Solve for x
    x = 44,256,659,950.14/221,718.20
  6. Step 6: Final answer
    x = 199,607.70

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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.