Home / 262,890.61-394,427.73-83,003.94

Finding the Fourth Proportional to 262,890.61, 394,427.73 and 83,003.94

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Solution

The fourth proportional to 262,890.61, 394,427.73 and 83,003.94 is: 124,534.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,890.61 : 394,427.73 = 83,003.94 : x
  2. Step 2: Convert to fraction form
    262,890.61/394,427.73 = 83,003.94/x
  3. Step 3: Cross multiply
    262,890.61x = 394,427.73 × 83,003.94
  4. Step 4: Simplify right side
    262,890.61x = 32,739,055,479.62
  5. Step 5: Solve for x
    x = 32,739,055,479.62/262,890.61
  6. Step 6: Final answer
    x = 124,534.90

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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.