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Finding the Fourth Proportional to 262,675.22, 394,013.12 and 73,136

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Solution

The fourth proportional to 262,675.22, 394,013.12 and 73,136 is: 109,704.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,675.22 : 394,013.12 = 73,136 : x
  2. Step 2: Convert to fraction form
    262,675.22/394,013.12 = 73,136/x
  3. Step 3: Cross multiply
    262,675.22x = 394,013.12 × 73,136
  4. Step 4: Simplify right side
    262,675.22x = 28,816,543,544.32
  5. Step 5: Solve for x
    x = 28,816,543,544.32/262,675.22
  6. Step 6: Final answer
    x = 109,704.08

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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.