Home / 281,748.35-422,488.73-163,455.95

Finding the Fourth Proportional to 281,748.35, 422,488.73 and 163,455.95

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Solution

The fourth proportional to 281,748.35, 422,488.73 and 163,455.95 is: 245,106.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,748.35 : 422,488.73 = 163,455.95 : x
  2. Step 2: Convert to fraction form
    281,748.35/422,488.73 = 163,455.95/x
  3. Step 3: Cross multiply
    281,748.35x = 422,488.73 × 163,455.95
  4. Step 4: Simplify right side
    281,748.35x = 69,058,295,022.64
  5. Step 5: Solve for x
    x = 69,058,295,022.64/281,748.35
  6. Step 6: Final answer
    x = 245,106.30

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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.