Home / 393,827.04-543,474.36-224,057.52

Finding the Fourth Proportional to 393,827.04, 543,474.36 and 224,057.52

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Solution

The fourth proportional to 393,827.04, 543,474.36 and 224,057.52 is: 309,195.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,827.04 : 543,474.36 = 224,057.52 : x
  2. Step 2: Convert to fraction form
    393,827.04/543,474.36 = 224,057.52/x
  3. Step 3: Cross multiply
    393,827.04x = 543,474.36 × 224,057.52
  4. Step 4: Simplify right side
    393,827.04x = 121,769,517,285.19
  5. Step 5: Solve for x
    x = 121,769,517,285.19/393,827.04
  6. Step 6: Final answer
    x = 309,195.42

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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.