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Finding the Fourth Proportional to 494,093.52, 741,184.04 and 139,110.62

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Solution

The fourth proportional to 494,093.52, 741,184.04 and 139,110.62 is: 208,678.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,093.52 : 741,184.04 = 139,110.62 : x
  2. Step 2: Convert to fraction form
    494,093.52/741,184.04 = 139,110.62/x
  3. Step 3: Cross multiply
    494,093.52x = 741,184.04 × 139,110.62
  4. Step 4: Simplify right side
    494,093.52x = 103,106,567,980.36
  5. Step 5: Solve for x
    x = 103,106,567,980.36/494,093.52
  6. Step 6: Final answer
    x = 208,678.24

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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.