Home / 418,310.38-577,267.83-227,323.34

Finding the Fourth Proportional to 418,310.38, 577,267.83 and 227,323.34

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Solution

The fourth proportional to 418,310.38, 577,267.83 and 227,323.34 is: 313,705.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,310.38 : 577,267.83 = 227,323.34 : x
  2. Step 2: Convert to fraction form
    418,310.38/577,267.83 = 227,323.34/x
  3. Step 3: Cross multiply
    418,310.38x = 577,267.83 × 227,323.34
  4. Step 4: Simplify right side
    418,310.38x = 131,226,451,190.15
  5. Step 5: Solve for x
    x = 131,226,451,190.15/418,310.38
  6. Step 6: Final answer
    x = 313,705.94

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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.