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Finding the Fourth Proportional to 251,275.16, 376,958.91 and 82,805.42

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Solution

The fourth proportional to 251,275.16, 376,958.91 and 82,805.42 is: 124,223.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,275.16 : 376,958.91 = 82,805.42 : x
  2. Step 2: Convert to fraction form
    251,275.16/376,958.91 = 82,805.42/x
  3. Step 3: Cross multiply
    251,275.16x = 376,958.91 × 82,805.42
  4. Step 4: Simplify right side
    251,275.16x = 31,214,238,980.50
  5. Step 5: Solve for x
    x = 31,214,238,980.50/251,275.16
  6. Step 6: Final answer
    x = 124,223.34

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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.