Home / 464,100.82-640,446.69-273,125.46

Finding the Fourth Proportional to 464,100.82, 640,446.69 and 273,125.46

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Solution

The fourth proportional to 464,100.82, 640,446.69 and 273,125.46 is: 376,905.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,100.82 : 640,446.69 = 273,125.46 : x
  2. Step 2: Convert to fraction form
    464,100.82/640,446.69 = 273,125.46/x
  3. Step 3: Cross multiply
    464,100.82x = 640,446.69 × 273,125.46
  4. Step 4: Simplify right side
    464,100.82x = 174,922,296,811.73
  5. Step 5: Solve for x
    x = 174,922,296,811.73/464,100.82
  6. Step 6: Final answer
    x = 376,905.81

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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.