Home / 418,331.18-577,296.78-227,344.58

Finding the Fourth Proportional to 418,331.18, 577,296.78 and 227,344.58

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Solution

The fourth proportional to 418,331.18, 577,296.78 and 227,344.58 is: 313,735.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,331.18 : 577,296.78 = 227,344.58 : x
  2. Step 2: Convert to fraction form
    418,331.18/577,296.78 = 227,344.58/x
  3. Step 3: Cross multiply
    418,331.18x = 577,296.78 × 227,344.58
  4. Step 4: Simplify right side
    418,331.18x = 131,245,293,984.45
  5. Step 5: Solve for x
    x = 131,245,293,984.45/418,331.18
  6. Step 6: Final answer
    x = 313,735.39

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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.