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Finding the Fourth Proportional to 251,325.88, 376,908.85 and 82,814.79

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Solution

The fourth proportional to 251,325.88, 376,908.85 and 82,814.79 is: 124,195.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,325.88 : 376,908.85 = 82,814.79 : x
  2. Step 2: Convert to fraction form
    251,325.88/376,908.85 = 82,814.79/x
  3. Step 3: Cross multiply
    251,325.88x = 376,908.85 × 82,814.79
  4. Step 4: Simplify right side
    251,325.88x = 31,213,627,261.89
  5. Step 5: Solve for x
    x = 31,213,627,261.89/251,325.88
  6. Step 6: Final answer
    x = 124,195.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.