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Finding the Fourth Proportional to 366,066.70, 548,971.36 and 109,822.86

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Solution

The fourth proportional to 366,066.70, 548,971.36 and 109,822.86 is: 164,695.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,066.70 : 548,971.36 = 109,822.86 : x
  2. Step 2: Convert to fraction form
    366,066.70/548,971.36 = 109,822.86/x
  3. Step 3: Cross multiply
    366,066.70x = 548,971.36 × 109,822.86
  4. Step 4: Simplify right side
    366,066.70x = 60,289,604,538.73
  5. Step 5: Solve for x
    x = 60,289,604,538.73/366,066.70
  6. Step 6: Final answer
    x = 164,695.68

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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.