Home / 356,529.31-491,948.09-203,497.63

Finding the Fourth Proportional to 356,529.31, 491,948.09 and 203,497.63

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Solution

The fourth proportional to 356,529.31, 491,948.09 and 203,497.63 is: 280,791.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,529.31 : 491,948.09 = 203,497.63 : x
  2. Step 2: Convert to fraction form
    356,529.31/491,948.09 = 203,497.63/x
  3. Step 3: Cross multiply
    356,529.31x = 491,948.09 × 203,497.63
  4. Step 4: Simplify right side
    356,529.31x = 100,110,269,380.54
  5. Step 5: Solve for x
    x = 100,110,269,380.54/356,529.31
  6. Step 6: Final answer
    x = 280,791.13

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1.5x scale

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.