Home / 418,257.52-577,194.24-227,271.58

Finding the Fourth Proportional to 418,257.52, 577,194.24 and 227,271.58

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Solution

The fourth proportional to 418,257.52, 577,194.24 and 227,271.58 is: 313,634.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,257.52 : 577,194.24 = 227,271.58 : x
  2. Step 2: Convert to fraction form
    418,257.52/577,194.24 = 227,271.58/x
  3. Step 3: Cross multiply
    418,257.52x = 577,194.24 × 227,271.58
  4. Step 4: Simplify right side
    418,257.52x = 131,179,846,891.70
  5. Step 5: Solve for x
    x = 131,179,846,891.70/418,257.52
  6. Step 6: Final answer
    x = 313,634.16

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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.