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Finding the Fourth Proportional to 539,232.82, 808,959.88 and 219,383.84

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Solution

The fourth proportional to 539,232.82, 808,959.88 and 219,383.84 is: 329,120.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,232.82 : 808,959.88 = 219,383.84 : x
  2. Step 2: Convert to fraction form
    539,232.82/808,959.88 = 219,383.84/x
  3. Step 3: Cross multiply
    539,232.82x = 808,959.88 × 219,383.84
  4. Step 4: Simplify right side
    539,232.82x = 177,472,724,880.34
  5. Step 5: Solve for x
    x = 177,472,724,880.34/539,232.82
  6. Step 6: Final answer
    x = 329,120.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.