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Finding the Fourth Proportional to 456,422.00, 629,813.84 and 252,440.51

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Solution

The fourth proportional to 456,422.00, 629,813.84 and 252,440.51 is: 348,341.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,422.00 : 629,813.84 = 252,440.51 : x
  2. Step 2: Convert to fraction form
    456,422.00/629,813.84 = 252,440.51/x
  3. Step 3: Cross multiply
    456,422.00x = 629,813.84 × 252,440.51
  4. Step 4: Simplify right side
    456,422.00x = 158,990,522,563.39
  5. Step 5: Solve for x
    x = 158,990,522,563.39/456,422.00
  6. Step 6: Final answer
    x = 348,341.06

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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.