Home / 418,198.06-577,162.52-248,432.18

Finding the Fourth Proportional to 418,198.06, 577,162.52 and 248,432.18

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Solution

The fourth proportional to 418,198.06, 577,162.52 and 248,432.18 is: 342,865.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,198.06 : 577,162.52 = 248,432.18 : x
  2. Step 2: Convert to fraction form
    418,198.06/577,162.52 = 248,432.18/x
  3. Step 3: Cross multiply
    418,198.06x = 577,162.52 × 248,432.18
  4. Step 4: Simplify right side
    418,198.06x = 143,385,745,121.88
  5. Step 5: Solve for x
    x = 143,385,745,121.88/418,198.06
  6. Step 6: Final answer
    x = 342,865.64

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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.