Home / 376,481.20-519,571.32-248,935.60

Finding the Fourth Proportional to 376,481.20, 519,571.32 and 248,935.60

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Solution

The fourth proportional to 376,481.20, 519,571.32 and 248,935.60 is: 343,549.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,481.20 : 519,571.32 = 248,935.60 : x
  2. Step 2: Convert to fraction form
    376,481.20/519,571.32 = 248,935.60/x
  3. Step 3: Cross multiply
    376,481.20x = 519,571.32 × 248,935.60
  4. Step 4: Simplify right side
    376,481.20x = 129,339,798,286.99
  5. Step 5: Solve for x
    x = 129,339,798,286.99/376,481.20
  6. Step 6: Final answer
    x = 343,549.16

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1.5x scale

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.