Home / 205,285.20-283,418.63-140,860.27

Finding the Fourth Proportional to 205,285.20, 283,418.63 and 140,860.27

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Solution

The fourth proportional to 205,285.20, 283,418.63 and 140,860.27 is: 194,472.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,285.20 : 283,418.63 = 140,860.27 : x
  2. Step 2: Convert to fraction form
    205,285.20/283,418.63 = 140,860.27/x
  3. Step 3: Cross multiply
    205,285.20x = 283,418.63 × 140,860.27
  4. Step 4: Simplify right side
    205,285.20x = 39,922,424,744.83
  5. Step 5: Solve for x
    x = 39,922,424,744.83/205,285.20
  6. Step 6: Final answer
    x = 194,472.98

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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.