Home / 223,891.18-308,733.04-172,912.21

Finding the Fourth Proportional to 223,891.18, 308,733.04 and 172,912.21

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Solution

The fourth proportional to 223,891.18, 308,733.04 and 172,912.21 is: 238,435.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,891.18 : 308,733.04 = 172,912.21 : x
  2. Step 2: Convert to fraction form
    223,891.18/308,733.04 = 172,912.21/x
  3. Step 3: Cross multiply
    223,891.18x = 308,733.04 × 172,912.21
  4. Step 4: Simplify right side
    223,891.18x = 53,383,712,246.42
  5. Step 5: Solve for x
    x = 53,383,712,246.42/223,891.18
  6. Step 6: Final answer
    x = 238,435.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.