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Finding the Fourth Proportional to 251,216.64, 376,867.22 and 82,785.51

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Solution

The fourth proportional to 251,216.64, 376,867.22 and 82,785.51 is: 124,192.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,216.64 : 376,867.22 = 82,785.51 : x
  2. Step 2: Convert to fraction form
    251,216.64/376,867.22 = 82,785.51/x
  3. Step 3: Cross multiply
    251,216.64x = 376,867.22 × 82,785.51
  4. Step 4: Simplify right side
    251,216.64x = 31,199,144,596.05
  5. Step 5: Solve for x
    x = 31,199,144,596.05/251,216.64
  6. Step 6: Final answer
    x = 124,192.19

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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.