Home / 356,712.12-492,266.73-203,770.56

Finding the Fourth Proportional to 356,712.12, 492,266.73 and 203,770.56

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Solution

The fourth proportional to 356,712.12, 492,266.73 and 203,770.56 is: 281,205.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,712.12 : 492,266.73 = 203,770.56 : x
  2. Step 2: Convert to fraction form
    356,712.12/492,266.73 = 203,770.56/x
  3. Step 3: Cross multiply
    356,712.12x = 492,266.73 × 203,770.56
  4. Step 4: Simplify right side
    356,712.12x = 100,309,467,241.47
  5. Step 5: Solve for x
    x = 100,309,467,241.47/356,712.12
  6. Step 6: Final answer
    x = 281,205.66

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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.