Home / 269,678.06-371,998.58-172,847.42

Finding the Fourth Proportional to 269,678.06, 371,998.58 and 172,847.42

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Solution

The fourth proportional to 269,678.06, 371,998.58 and 172,847.42 is: 238,428.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,678.06 : 371,998.58 = 172,847.42 : x
  2. Step 2: Convert to fraction form
    269,678.06/371,998.58 = 172,847.42/x
  3. Step 3: Cross multiply
    269,678.06x = 371,998.58 × 172,847.42
  4. Step 4: Simplify right side
    269,678.06x = 64,298,994,796.66
  5. Step 5: Solve for x
    x = 64,298,994,796.66/269,678.06
  6. Step 6: Final answer
    x = 238,428.72

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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.