Home / 251,028.60-376,555-82,545.20

Finding the Fourth Proportional to 251,028.60, 376,555 and 82,545.20

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Solution

The fourth proportional to 251,028.60, 376,555 and 82,545.20 is: 123,821.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,028.60 : 376,555 = 82,545.20 : x
  2. Step 2: Convert to fraction form
    251,028.60/376,555 = 82,545.20/x
  3. Step 3: Cross multiply
    251,028.60x = 376,555 × 82,545.20
  4. Step 4: Simplify right side
    251,028.60x = 31,082,805,903.23
  5. Step 5: Solve for x
    x = 31,082,805,903.23/251,028.60
  6. Step 6: Final answer
    x = 123,821.77

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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.