Home / 403,162.38-605,117.24-203,622.89

Finding the Fourth Proportional to 403,162.38, 605,117.24 and 203,622.89

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Solution

The fourth proportional to 403,162.38, 605,117.24 and 203,622.89 is: 305,623.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,162.38 : 605,117.24 = 203,622.89 : x
  2. Step 2: Convert to fraction form
    403,162.38/605,117.24 = 203,622.89/x
  3. Step 3: Cross multiply
    403,162.38x = 605,117.24 × 203,622.89
  4. Step 4: Simplify right side
    403,162.38x = 123,215,721,692.30
  5. Step 5: Solve for x
    x = 123,215,721,692.30/403,162.38
  6. Step 6: Final answer
    x = 305,623.07

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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.