Home / 281,749.35-422,490.23-163,456.95

Finding the Fourth Proportional to 281,749.35, 422,490.23 and 163,456.95

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Solution

The fourth proportional to 281,749.35, 422,490.23 and 163,456.95 is: 245,107.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,749.35 : 422,490.23 = 163,456.95 : x
  2. Step 2: Convert to fraction form
    281,749.35/422,490.23 = 163,456.95/x
  3. Step 3: Cross multiply
    281,749.35x = 422,490.23 × 163,456.95
  4. Step 4: Simplify right side
    281,749.35x = 69,058,964,400.60
  5. Step 5: Solve for x
    x = 69,058,964,400.60/281,749.35
  6. Step 6: Final answer
    x = 245,107.80

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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.