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Finding the Fourth Proportional to 456,205.77, 629,538.58 and 252,244.43

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Solution

The fourth proportional to 456,205.77, 629,538.58 and 252,244.43 is: 348,083.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,205.77 : 629,538.58 = 252,244.43 : x
  2. Step 2: Convert to fraction form
    456,205.77/629,538.58 = 252,244.43/x
  3. Step 3: Cross multiply
    456,205.77x = 629,538.58 × 252,244.43
  4. Step 4: Simplify right side
    456,205.77x = 158,797,599,803.49
  5. Step 5: Solve for x
    x = 158,797,599,803.49/456,205.77
  6. Step 6: Final answer
    x = 348,083.28

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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.