Home / 205,311.20-307,707.60-181,983.20

Finding the Fourth Proportional to 205,311.20, 307,707.60 and 181,983.20

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Solution

The fourth proportional to 205,311.20, 307,707.60 and 181,983.20 is: 272,745.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,311.20 : 307,707.60 = 181,983.20 : x
  2. Step 2: Convert to fraction form
    205,311.20/307,707.60 = 181,983.20/x
  3. Step 3: Cross multiply
    205,311.20x = 307,707.60 × 181,983.20
  4. Step 4: Simplify right side
    205,311.20x = 55,997,613,712.32
  5. Step 5: Solve for x
    x = 55,997,613,712.32/205,311.20
  6. Step 6: Final answer
    x = 272,745.05

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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.