Home / 223,890.20-335,835.30-221,557.40

Finding the Fourth Proportional to 223,890.20, 335,835.30 and 221,557.40

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Solution

The fourth proportional to 223,890.20, 335,835.30 and 221,557.40 is: 332,336.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,890.20 : 335,835.30 = 221,557.40 : x
  2. Step 2: Convert to fraction form
    223,890.20/335,835.30 = 221,557.40/x
  3. Step 3: Cross multiply
    223,890.20x = 335,835.30 × 221,557.40
  4. Step 4: Simplify right side
    223,890.20x = 74,406,795,896.22
  5. Step 5: Solve for x
    x = 74,406,795,896.22/223,890.20
  6. Step 6: Final answer
    x = 332,336.10

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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.