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Finding the Fourth Proportional to 555,599.82, 833,016.75 and 218,679.15

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Solution

The fourth proportional to 555,599.82, 833,016.75 and 218,679.15 is: 327,867.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,599.82 : 833,016.75 = 218,679.15 : x
  2. Step 2: Convert to fraction form
    555,599.82/833,016.75 = 218,679.15/x
  3. Step 3: Cross multiply
    555,599.82x = 833,016.75 × 218,679.15
  4. Step 4: Simplify right side
    555,599.82x = 182,163,394,825.76
  5. Step 5: Solve for x
    x = 182,163,394,825.76/555,599.82
  6. Step 6: Final answer
    x = 327,867.99

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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.