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Finding the Fourth Proportional to 251,479, 346,833.66 and 150,805.72

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Solution

The fourth proportional to 251,479, 346,833.66 and 150,805.72 is: 207,987.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,479 : 346,833.66 = 150,805.72 : x
  2. Step 2: Convert to fraction form
    251,479/346,833.66 = 150,805.72/x
  3. Step 3: Cross multiply
    251,479x = 346,833.66 × 150,805.72
  4. Step 4: Simplify right side
    251,479x = 52,304,499,816.54
  5. Step 5: Solve for x
    x = 52,304,499,816.54/251,479
  6. Step 6: Final answer
    x = 207,987.54

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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.