Home / 239,491.09-330,484.12-148,844.73

Finding the Fourth Proportional to 239,491.09, 330,484.12 and 148,844.73

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Solution

The fourth proportional to 239,491.09, 330,484.12 and 148,844.73 is: 205,397.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,491.09 : 330,484.12 = 148,844.73 : x
  2. Step 2: Convert to fraction form
    239,491.09/330,484.12 = 148,844.73/x
  3. Step 3: Cross multiply
    239,491.09x = 330,484.12 × 148,844.73
  4. Step 4: Simplify right side
    239,491.09x = 49,190,819,610.69
  5. Step 5: Solve for x
    x = 49,190,819,610.69/239,491.09
  6. Step 6: Final answer
    x = 205,397.28

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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.