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Finding the Fourth Proportional to 291,391.73, 437,157.59 and 111,474.22

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Solution

The fourth proportional to 291,391.73, 437,157.59 and 111,474.22 is: 167,238.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,391.73 : 437,157.59 = 111,474.22 : x
  2. Step 2: Convert to fraction form
    291,391.73/437,157.59 = 111,474.22/x
  3. Step 3: Cross multiply
    291,391.73x = 437,157.59 × 111,474.22
  4. Step 4: Simplify right side
    291,391.73x = 48,731,800,548.12
  5. Step 5: Solve for x
    x = 48,731,800,548.12/291,391.73
  6. Step 6: Final answer
    x = 167,238.10

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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.