Home / 418,529.10-577,563.81-227,540.82

Finding the Fourth Proportional to 418,529.10, 577,563.81 and 227,540.82

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Solution

The fourth proportional to 418,529.10, 577,563.81 and 227,540.82 is: 314,002.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,529.10 : 577,563.81 = 227,540.82 : x
  2. Step 2: Convert to fraction form
    418,529.10/577,563.81 = 227,540.82/x
  3. Step 3: Cross multiply
    418,529.10x = 577,563.81 × 227,540.82
  4. Step 4: Simplify right side
    418,529.10x = 131,419,342,929.72
  5. Step 5: Solve for x
    x = 131,419,342,929.72/418,529.10
  6. Step 6: Final answer
    x = 314,002.88

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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.