Home / 418,481.05-577,497.04-227,499.25

Finding the Fourth Proportional to 418,481.05, 577,497.04 and 227,499.25

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Solution

The fourth proportional to 418,481.05, 577,497.04 and 227,499.25 is: 313,945.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,481.05 : 577,497.04 = 227,499.25 : x
  2. Step 2: Convert to fraction form
    418,481.05/577,497.04 = 227,499.25/x
  3. Step 3: Cross multiply
    418,481.05x = 577,497.04 × 227,499.25
  4. Step 4: Simplify right side
    418,481.05x = 131,380,143,477.22
  5. Step 5: Solve for x
    x = 131,380,143,477.22/418,481.05
  6. Step 6: Final answer
    x = 313,945.26

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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.