Home / 223,631.80-335,631.30-221,882.20

Finding the Fourth Proportional to 223,631.80, 335,631.30 and 221,882.20

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Solution

The fourth proportional to 223,631.80, 335,631.30 and 221,882.20 is: 333,005.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,631.80 : 335,631.30 = 221,882.20 : x
  2. Step 2: Convert to fraction form
    223,631.80/335,631.30 = 221,882.20/x
  3. Step 3: Cross multiply
    223,631.80x = 335,631.30 × 221,882.20
  4. Step 4: Simplify right side
    223,631.80x = 74,470,611,232.86
  5. Step 5: Solve for x
    x = 74,470,611,232.86/223,631.80
  6. Step 6: Final answer
    x = 333,005.46

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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.