Home / 205,049.16-307,571.82-64,807.80

Finding the Fourth Proportional to 205,049.16, 307,571.82 and 64,807.80

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Solution

The fourth proportional to 205,049.16, 307,571.82 and 64,807.80 is: 97,211.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,049.16 : 307,571.82 = 64,807.80 : x
  2. Step 2: Convert to fraction form
    205,049.16/307,571.82 = 64,807.80/x
  3. Step 3: Cross multiply
    205,049.16x = 307,571.82 × 64,807.80
  4. Step 4: Simplify right side
    205,049.16x = 19,933,052,996.20
  5. Step 5: Solve for x
    x = 19,933,052,996.20/205,049.16
  6. Step 6: Final answer
    x = 97,211.09

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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.