Home / 284,965.85-393,241.25-164,111.69

Finding the Fourth Proportional to 284,965.85, 393,241.25 and 164,111.69

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Solution

The fourth proportional to 284,965.85, 393,241.25 and 164,111.69 is: 226,467.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,965.85 : 393,241.25 = 164,111.69 : x
  2. Step 2: Convert to fraction form
    284,965.85/393,241.25 = 164,111.69/x
  3. Step 3: Cross multiply
    284,965.85x = 393,241.25 × 164,111.69
  4. Step 4: Simplify right side
    284,965.85x = 64,535,486,115.21
  5. Step 5: Solve for x
    x = 64,535,486,115.21/284,965.85
  6. Step 6: Final answer
    x = 226,467.44

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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.