Home / 381,058.40-525,834.96-211,286.24

Finding the Fourth Proportional to 381,058.40, 525,834.96 and 211,286.24

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Solution

The fourth proportional to 381,058.40, 525,834.96 and 211,286.24 is: 291,560.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,058.40 : 525,834.96 = 211,286.24 : x
  2. Step 2: Convert to fraction form
    381,058.40/525,834.96 = 211,286.24/x
  3. Step 3: Cross multiply
    381,058.40x = 525,834.96 × 211,286.24
  4. Step 4: Simplify right side
    381,058.40x = 111,101,691,558.95
  5. Step 5: Solve for x
    x = 111,101,691,558.95/381,058.40
  6. Step 6: Final answer
    x = 291,560.80

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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.