Home / 284,997.24-393,281.82-155,932.92

Finding the Fourth Proportional to 284,997.24, 393,281.82 and 155,932.92

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Solution

The fourth proportional to 284,997.24, 393,281.82 and 155,932.92 is: 215,179.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,997.24 : 393,281.82 = 155,932.92 : x
  2. Step 2: Convert to fraction form
    284,997.24/393,281.82 = 155,932.92/x
  3. Step 3: Cross multiply
    284,997.24x = 393,281.82 × 155,932.92
  4. Step 4: Simplify right side
    284,997.24x = 61,325,582,575.51
  5. Step 5: Solve for x
    x = 61,325,582,575.51/284,997.24
  6. Step 6: Final answer
    x = 215,179.57

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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.