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Finding the Fourth Proportional to 291,488.37, 436,244.99 and 179,239.69

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Solution

The fourth proportional to 291,488.37, 436,244.99 and 179,239.69 is: 268,252.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,488.37 : 436,244.99 = 179,239.69 : x
  2. Step 2: Convert to fraction form
    291,488.37/436,244.99 = 179,239.69/x
  3. Step 3: Cross multiply
    291,488.37x = 436,244.99 × 179,239.69
  4. Step 4: Simplify right side
    291,488.37x = 78,192,414,975.11
  5. Step 5: Solve for x
    x = 78,192,414,975.11/291,488.37
  6. Step 6: Final answer
    x = 268,252.26

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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.