Home / 356,282.27-491,677.49-203,317.41

Finding the Fourth Proportional to 356,282.27, 491,677.49 and 203,317.41

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Solution

The fourth proportional to 356,282.27, 491,677.49 and 203,317.41 is: 280,582.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,282.27 : 491,677.49 = 203,317.41 : x
  2. Step 2: Convert to fraction form
    356,282.27/491,677.49 = 203,317.41/x
  3. Step 3: Cross multiply
    356,282.27x = 491,677.49 × 203,317.41
  4. Step 4: Simplify right side
    356,282.27x = 99,966,594,649.30
  5. Step 5: Solve for x
    x = 99,966,594,649.30/356,282.27
  6. Step 6: Final answer
    x = 280,582.57

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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.