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Finding the Fourth Proportional to 325,920.48, 449,783.28 and 182,679.48

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Solution

The fourth proportional to 325,920.48, 449,783.28 and 182,679.48 is: 252,104.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,920.48 : 449,783.28 = 182,679.48 : x
  2. Step 2: Convert to fraction form
    325,920.48/449,783.28 = 182,679.48/x
  3. Step 3: Cross multiply
    325,920.48x = 449,783.28 × 182,679.48
  4. Step 4: Simplify right side
    325,920.48x = 82,166,175,703.09
  5. Step 5: Solve for x
    x = 82,166,175,703.09/325,920.48
  6. Step 6: Final answer
    x = 252,104.98

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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.