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Finding the Fourth Proportional to 250,031, 345,046.02 and 136,851.32

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Solution

The fourth proportional to 250,031, 345,046.02 and 136,851.32 is: 188,856.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,031 : 345,046.02 = 136,851.32 : x
  2. Step 2: Convert to fraction form
    250,031/345,046.02 = 136,851.32/x
  3. Step 3: Cross multiply
    250,031x = 345,046.02 × 136,851.32
  4. Step 4: Simplify right side
    250,031x = 47,220,003,297.75
  5. Step 5: Solve for x
    x = 47,220,003,297.75/250,031
  6. Step 6: Final answer
    x = 188,856.59

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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.