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Finding the Fourth Proportional to 250,076.88, 345,069 and 151,909.14

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Solution

The fourth proportional to 250,076.88, 345,069 and 151,909.14 is: 209,612.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,076.88 : 345,069 = 151,909.14 : x
  2. Step 2: Convert to fraction form
    250,076.88/345,069 = 151,909.14/x
  3. Step 3: Cross multiply
    250,076.88x = 345,069 × 151,909.14
  4. Step 4: Simplify right side
    250,076.88x = 52,419,135,030.66
  5. Step 5: Solve for x
    x = 52,419,135,030.66/250,076.88
  6. Step 6: Final answer
    x = 209,612.08

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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.