Home / 401,049.04-553,447.60-239,910.88

Finding the Fourth Proportional to 401,049.04, 553,447.60 and 239,910.88

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Solution

The fourth proportional to 401,049.04, 553,447.60 and 239,910.88 is: 331,076.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,049.04 : 553,447.60 = 239,910.88 : x
  2. Step 2: Convert to fraction form
    401,049.04/553,447.60 = 239,910.88/x
  3. Step 3: Cross multiply
    401,049.04x = 553,447.60 × 239,910.88
  4. Step 4: Simplify right side
    401,049.04x = 132,778,100,749.89
  5. Step 5: Solve for x
    x = 132,778,100,749.89/401,049.04
  6. Step 6: Final answer
    x = 331,076.97

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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.