Home / 251,386.67-376,999.94-82,875.58

Finding the Fourth Proportional to 251,386.67, 376,999.94 and 82,875.58

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Solution

The fourth proportional to 251,386.67, 376,999.94 and 82,875.58 is: 124,286.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,386.67 : 376,999.94 = 82,875.58 : x
  2. Step 2: Convert to fraction form
    251,386.67/376,999.94 = 82,875.58/x
  3. Step 3: Cross multiply
    251,386.67x = 376,999.94 × 82,875.58
  4. Step 4: Simplify right side
    251,386.67x = 31,244,087,952.15
  5. Step 5: Solve for x
    x = 31,244,087,952.15/251,386.67
  6. Step 6: Final answer
    x = 124,286.97

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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.