Home / 356,780.06-492,614.78-229,677.06

Finding the Fourth Proportional to 356,780.06, 492,614.78 and 229,677.06

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Solution

The fourth proportional to 356,780.06, 492,614.78 and 229,677.06 is: 317,120.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,780.06 : 492,614.78 = 229,677.06 : x
  2. Step 2: Convert to fraction form
    356,780.06/492,614.78 = 229,677.06/x
  3. Step 3: Cross multiply
    356,780.06x = 492,614.78 × 229,677.06
  4. Step 4: Simplify right side
    356,780.06x = 113,142,313,234.56
  5. Step 5: Solve for x
    x = 113,142,313,234.56/356,780.06
  6. Step 6: Final answer
    x = 317,120.62

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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.