Home / 323,730.28-446,670.82-196,402.60

Finding the Fourth Proportional to 323,730.28, 446,670.82 and 196,402.60

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Solution

The fourth proportional to 323,730.28, 446,670.82 and 196,402.60 is: 270,988.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,730.28 : 446,670.82 = 196,402.60 : x
  2. Step 2: Convert to fraction form
    323,730.28/446,670.82 = 196,402.60/x
  3. Step 3: Cross multiply
    323,730.28x = 446,670.82 × 196,402.60
  4. Step 4: Simplify right side
    323,730.28x = 87,727,310,392.13
  5. Step 5: Solve for x
    x = 87,727,310,392.13/323,730.28
  6. Step 6: Final answer
    x = 270,988.89

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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.