Home / 418,260.90-577,203.69-227,274.29

Finding the Fourth Proportional to 418,260.90, 577,203.69 and 227,274.29

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Solution

The fourth proportional to 418,260.90, 577,203.69 and 227,274.29 is: 313,640.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,260.90 : 577,203.69 = 227,274.29 : x
  2. Step 2: Convert to fraction form
    418,260.90/577,203.69 = 227,274.29/x
  3. Step 3: Cross multiply
    418,260.90x = 577,203.69 × 227,274.29
  4. Step 4: Simplify right side
    418,260.90x = 131,183,555,944.11
  5. Step 5: Solve for x
    x = 131,183,555,944.11/418,260.90
  6. Step 6: Final answer
    x = 313,640.50

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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.