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Finding the Fourth Proportional to 262,945.77, 394,362.01 and 83,045.22

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Solution

The fourth proportional to 262,945.77, 394,362.01 and 83,045.22 is: 124,549.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,945.77 : 394,362.01 = 83,045.22 : x
  2. Step 2: Convert to fraction form
    262,945.77/394,362.01 = 83,045.22/x
  3. Step 3: Cross multiply
    262,945.77x = 394,362.01 × 83,045.22
  4. Step 4: Simplify right side
    262,945.77x = 32,749,879,880.09
  5. Step 5: Solve for x
    x = 32,749,879,880.09/262,945.77
  6. Step 6: Final answer
    x = 124,549.94

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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.