Home / 203,023.45-304,513.30-53,278.75

Finding the Fourth Proportional to 203,023.45, 304,513.30 and 53,278.75

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Solution

The fourth proportional to 203,023.45, 304,513.30 and 53,278.75 is: 79,912.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,023.45 : 304,513.30 = 53,278.75 : x
  2. Step 2: Convert to fraction form
    203,023.45/304,513.30 = 53,278.75/x
  3. Step 3: Cross multiply
    203,023.45x = 304,513.30 × 53,278.75
  4. Step 4: Simplify right side
    203,023.45x = 16,224,087,982.38
  5. Step 5: Solve for x
    x = 16,224,087,982.38/203,023.45
  6. Step 6: Final answer
    x = 79,912.38

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1.5x scale

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.