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Finding the Fourth Proportional to 216,001.97, 298,089.87 and 117,890.57

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Solution

The fourth proportional to 216,001.97, 298,089.87 and 117,890.57 is: 162,692.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,001.97 : 298,089.87 = 117,890.57 : x
  2. Step 2: Convert to fraction form
    216,001.97/298,089.87 = 117,890.57/x
  3. Step 3: Cross multiply
    216,001.97x = 298,089.87 × 117,890.57
  4. Step 4: Simplify right side
    216,001.97x = 35,141,983,195.08
  5. Step 5: Solve for x
    x = 35,141,983,195.08/216,001.97
  6. Step 6: Final answer
    x = 162,692.89

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.