Home / 281,749.22-422,490.05-163,456.82

Finding the Fourth Proportional to 281,749.22, 422,490.05 and 163,456.82

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Solution

The fourth proportional to 281,749.22, 422,490.05 and 163,456.82 is: 245,107.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,749.22 : 422,490.05 = 163,456.82 : x
  2. Step 2: Convert to fraction form
    281,749.22/422,490.05 = 163,456.82/x
  3. Step 3: Cross multiply
    281,749.22x = 422,490.05 × 163,456.82
  4. Step 4: Simplify right side
    281,749.22x = 69,058,879,237.36
  5. Step 5: Solve for x
    x = 69,058,879,237.36/281,749.22
  6. Step 6: Final answer
    x = 245,107.61

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1.5x scale

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.