Home / 276,945.96-415,418.94-66,583.90

Finding the Fourth Proportional to 276,945.96, 415,418.94 and 66,583.90

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Solution

The fourth proportional to 276,945.96, 415,418.94 and 66,583.90 is: 99,875.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,945.96 : 415,418.94 = 66,583.90 : x
  2. Step 2: Convert to fraction form
    276,945.96/415,418.94 = 66,583.90/x
  3. Step 3: Cross multiply
    276,945.96x = 415,418.94 × 66,583.90
  4. Step 4: Simplify right side
    276,945.96x = 27,660,212,603.61
  5. Step 5: Solve for x
    x = 27,660,212,603.61/276,945.96
  6. Step 6: Final answer
    x = 99,875.85

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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.