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Finding the Fourth Proportional to 322,058.88, 444,859.56 and 245,110.50

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Solution

The fourth proportional to 322,058.88, 444,859.56 and 245,110.50 is: 338,570.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,058.88 : 444,859.56 = 245,110.50 : x
  2. Step 2: Convert to fraction form
    322,058.88/444,859.56 = 245,110.50/x
  3. Step 3: Cross multiply
    322,058.88x = 444,859.56 × 245,110.50
  4. Step 4: Simplify right side
    322,058.88x = 109,039,749,181.38
  5. Step 5: Solve for x
    x = 109,039,749,181.38/322,058.88
  6. Step 6: Final answer
    x = 338,570.85

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1.5x scale

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.