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Finding the Fourth Proportional to 116,608.28, 174,828.24 and 45,470.63

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Solution

The fourth proportional to 116,608.28, 174,828.24 and 45,470.63 is: 68,173.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,608.28 : 174,828.24 = 45,470.63 : x
  2. Step 2: Convert to fraction form
    116,608.28/174,828.24 = 45,470.63/x
  3. Step 3: Cross multiply
    116,608.28x = 174,828.24 × 45,470.63
  4. Step 4: Simplify right side
    116,608.28x = 7,949,550,651.66
  5. Step 5: Solve for x
    x = 7,949,550,651.66/116,608.28
  6. Step 6: Final answer
    x = 68,173.13

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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.