Home / 418,380.45-577,362.99-227,393.86

Finding the Fourth Proportional to 418,380.45, 577,362.99 and 227,393.86

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Solution

The fourth proportional to 418,380.45, 577,362.99 and 227,393.86 is: 313,802.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,380.45 : 577,362.99 = 227,393.86 : x
  2. Step 2: Convert to fraction form
    418,380.45/577,362.99 = 227,393.86/x
  3. Step 3: Cross multiply
    418,380.45x = 577,362.99 × 227,393.86
  4. Step 4: Simplify right side
    418,380.45x = 131,288,798,917.24
  5. Step 5: Solve for x
    x = 131,288,798,917.24/418,380.45
  6. Step 6: Final answer
    x = 313,802.42

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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.