Home / 262,916-362,833.04-143,691.68

Finding the Fourth Proportional to 262,916, 362,833.04 and 143,691.68

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Solution

The fourth proportional to 262,916, 362,833.04 and 143,691.68 is: 198,299.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,916 : 362,833.04 = 143,691.68 : x
  2. Step 2: Convert to fraction form
    262,916/362,833.04 = 143,691.68/x
  3. Step 3: Cross multiply
    262,916x = 362,833.04 × 143,691.68
  4. Step 4: Simplify right side
    262,916x = 52,136,089,077.11
  5. Step 5: Solve for x
    x = 52,136,089,077.11/262,916
  6. Step 6: Final answer
    x = 198,299.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.