Home / 418,176.72-577,086.63-227,190.06

Finding the Fourth Proportional to 418,176.72, 577,086.63 and 227,190.06

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Solution

The fourth proportional to 418,176.72, 577,086.63 and 227,190.06 is: 313,523.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,176.72 : 577,086.63 = 227,190.06 : x
  2. Step 2: Convert to fraction form
    418,176.72/577,086.63 = 227,190.06/x
  3. Step 3: Cross multiply
    418,176.72x = 577,086.63 × 227,190.06
  4. Step 4: Simplify right side
    418,176.72x = 131,108,346,094.90
  5. Step 5: Solve for x
    x = 131,108,346,094.90/418,176.72
  6. Step 6: Final answer
    x = 313,523.78

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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.