Home / 418,227.37-577,145.46-227,242.14

Finding the Fourth Proportional to 418,227.37, 577,145.46 and 227,242.14

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Solution

The fourth proportional to 418,227.37, 577,145.46 and 227,242.14 is: 313,589.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,227.37 : 577,145.46 = 227,242.14 : x
  2. Step 2: Convert to fraction form
    418,227.37/577,145.46 = 227,242.14/x
  3. Step 3: Cross multiply
    418,227.37x = 577,145.46 × 227,242.14
  4. Step 4: Simplify right side
    418,227.37x = 131,151,769,421.68
  5. Step 5: Solve for x
    x = 131,151,769,421.68/418,227.37
  6. Step 6: Final answer
    x = 313,589.64

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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.