Home / 646,136.33-969,349.03-196,892.35

Finding the Fourth Proportional to 646,136.33, 969,349.03 and 196,892.35

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Solution

The fourth proportional to 646,136.33, 969,349.03 and 196,892.35 is: 295,382.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,136.33 : 969,349.03 = 196,892.35 : x
  2. Step 2: Convert to fraction form
    646,136.33/969,349.03 = 196,892.35/x
  3. Step 3: Cross multiply
    646,136.33x = 969,349.03 × 196,892.35
  4. Step 4: Simplify right side
    646,136.33x = 190,857,408,486.92
  5. Step 5: Solve for x
    x = 190,857,408,486.92/646,136.33
  6. Step 6: Final answer
    x = 295,382.57

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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.