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Finding the Fourth Proportional to 456,169.88, 629,489.04 and 252,209

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Solution

The fourth proportional to 456,169.88, 629,489.04 and 252,209 is: 348,034.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,169.88 : 629,489.04 = 252,209 : x
  2. Step 2: Convert to fraction form
    456,169.88/629,489.04 = 252,209/x
  3. Step 3: Cross multiply
    456,169.88x = 629,489.04 × 252,209
  4. Step 4: Simplify right side
    456,169.88x = 158,762,801,289.36
  5. Step 5: Solve for x
    x = 158,762,801,289.36/456,169.88
  6. Step 6: Final answer
    x = 348,034.38

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1.5x scale

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.