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Finding the Fourth Proportional to 456,209.34, 629,513.94 and 252,232.71

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Solution

The fourth proportional to 456,209.34, 629,513.94 and 252,232.71 is: 348,050.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,209.34 : 629,513.94 = 252,232.71 : x
  2. Step 2: Convert to fraction form
    456,209.34/629,513.94 = 252,232.71/x
  3. Step 3: Cross multiply
    456,209.34x = 629,513.94 × 252,232.71
  4. Step 4: Simplify right side
    456,209.34x = 158,784,007,068.98
  5. Step 5: Solve for x
    x = 158,784,007,068.98/456,209.34
  6. Step 6: Final answer
    x = 348,050.76

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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.