Home / 291,721.92-437,755.08-123,231.32

Finding the Fourth Proportional to 291,721.92, 437,755.08 and 123,231.32

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Solution

The fourth proportional to 291,721.92, 437,755.08 and 123,231.32 is: 184,919.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,721.92 : 437,755.08 = 123,231.32 : x
  2. Step 2: Convert to fraction form
    291,721.92/437,755.08 = 123,231.32/x
  3. Step 3: Cross multiply
    291,721.92x = 437,755.08 × 123,231.32
  4. Step 4: Simplify right side
    291,721.92x = 53,945,136,345.11
  5. Step 5: Solve for x
    x = 53,945,136,345.11/291,721.92
  6. Step 6: Final answer
    x = 184,919.72

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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.