Home / 394,127.10-543,895.92-224,361

Finding the Fourth Proportional to 394,127.10, 543,895.92 and 224,361

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Solution

The fourth proportional to 394,127.10, 543,895.92 and 224,361 is: 309,618.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,127.10 : 543,895.92 = 224,361 : x
  2. Step 2: Convert to fraction form
    394,127.10/543,895.92 = 224,361/x
  3. Step 3: Cross multiply
    394,127.10x = 543,895.92 × 224,361
  4. Step 4: Simplify right side
    394,127.10x = 122,029,032,507.12
  5. Step 5: Solve for x
    x = 122,029,032,507.12/394,127.10
  6. Step 6: Final answer
    x = 309,618.48

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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.