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Finding the Fourth Proportional to 451,470.64, 622,814.78 and 270,146.04

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Solution

The fourth proportional to 451,470.64, 622,814.78 and 270,146.04 is: 372,673.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,470.64 : 622,814.78 = 270,146.04 : x
  2. Step 2: Convert to fraction form
    451,470.64/622,814.78 = 270,146.04/x
  3. Step 3: Cross multiply
    451,470.64x = 622,814.78 × 270,146.04
  4. Step 4: Simplify right side
    451,470.64x = 168,250,946,470.47
  5. Step 5: Solve for x
    x = 168,250,946,470.47/451,470.64
  6. Step 6: Final answer
    x = 372,673.06

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Why These Related Problems?

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