Home / 281,905.92-422,724.96-163,613.52

Finding the Fourth Proportional to 281,905.92, 422,724.96 and 163,613.52

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Solution

The fourth proportional to 281,905.92, 422,724.96 and 163,613.52 is: 245,342.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,905.92 : 422,724.96 = 163,613.52 : x
  2. Step 2: Convert to fraction form
    281,905.92/422,724.96 = 163,613.52/x
  3. Step 3: Cross multiply
    281,905.92x = 422,724.96 × 163,613.52
  4. Step 4: Simplify right side
    281,905.92x = 69,163,518,697.46
  5. Step 5: Solve for x
    x = 69,163,518,697.46/281,905.92
  6. Step 6: Final answer
    x = 245,342.56

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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.