Home / 665,884.02-998,964.27-222,640.50

Finding the Fourth Proportional to 665,884.02, 998,964.27 and 222,640.50

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Solution

The fourth proportional to 665,884.02, 998,964.27 and 222,640.50 is: 334,006.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,884.02 : 998,964.27 = 222,640.50 : x
  2. Step 2: Convert to fraction form
    665,884.02/998,964.27 = 222,640.50/x
  3. Step 3: Cross multiply
    665,884.02x = 998,964.27 × 222,640.50
  4. Step 4: Simplify right side
    665,884.02x = 222,409,904,554.94
  5. Step 5: Solve for x
    x = 222,409,904,554.94/665,884.02
  6. Step 6: Final answer
    x = 334,006.97

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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.