Home / 276,746.38-415,155.75-99,273.22

Finding the Fourth Proportional to 276,746.38, 415,155.75 and 99,273.22

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Solution

The fourth proportional to 276,746.38, 415,155.75 and 99,273.22 is: 148,922.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,746.38 : 415,155.75 = 99,273.22 : x
  2. Step 2: Convert to fraction form
    276,746.38/415,155.75 = 99,273.22/x
  3. Step 3: Cross multiply
    276,746.38x = 415,155.75 × 99,273.22
  4. Step 4: Simplify right side
    276,746.38x = 41,213,848,104.02
  5. Step 5: Solve for x
    x = 41,213,848,104.02/276,746.38
  6. Step 6: Final answer
    x = 148,922.81

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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.