Home / 205,011.53-307,506.36-55,249.41

Finding the Fourth Proportional to 205,011.53, 307,506.36 and 55,249.41

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Solution

The fourth proportional to 205,011.53, 307,506.36 and 55,249.41 is: 82,871.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,011.53 : 307,506.36 = 55,249.41 : x
  2. Step 2: Convert to fraction form
    205,011.53/307,506.36 = 55,249.41/x
  3. Step 3: Cross multiply
    205,011.53x = 307,506.36 × 55,249.41
  4. Step 4: Simplify right side
    205,011.53x = 16,989,544,961.25
  5. Step 5: Solve for x
    x = 16,989,544,961.25/205,011.53
  6. Step 6: Final answer
    x = 82,871.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.