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Finding the Fourth Proportional to 366,940, 550,489.02 and 114,215.14

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Solution

The fourth proportional to 366,940, 550,489.02 and 114,215.14 is: 171,347.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,940 : 550,489.02 = 114,215.14 : x
  2. Step 2: Convert to fraction form
    366,940/550,489.02 = 114,215.14/x
  3. Step 3: Cross multiply
    366,940x = 550,489.02 × 114,215.14
  4. Step 4: Simplify right side
    366,940x = 62,874,180,487.76
  5. Step 5: Solve for x
    x = 62,874,180,487.76/366,940
  6. Step 6: Final answer
    x = 171,347.31

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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.