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Finding the Fourth Proportional to 456,382.76, 629,805.38 and 252,430.02

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Solution

The fourth proportional to 456,382.76, 629,805.38 and 252,430.02 is: 348,351.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,382.76 : 629,805.38 = 252,430.02 : x
  2. Step 2: Convert to fraction form
    456,382.76/629,805.38 = 252,430.02/x
  3. Step 3: Cross multiply
    456,382.76x = 629,805.38 × 252,430.02
  4. Step 4: Simplify right side
    456,382.76x = 158,981,783,407.36
  5. Step 5: Solve for x
    x = 158,981,783,407.36/456,382.76
  6. Step 6: Final answer
    x = 348,351.86

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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.