Home / 401,839.76-554,539.56-220,552.88

Finding the Fourth Proportional to 401,839.76, 554,539.56 and 220,552.88

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Solution

The fourth proportional to 401,839.76, 554,539.56 and 220,552.88 is: 304,363.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,839.76 : 554,539.56 = 220,552.88 : x
  2. Step 2: Convert to fraction form
    401,839.76/554,539.56 = 220,552.88/x
  3. Step 3: Cross multiply
    401,839.76x = 554,539.56 × 220,552.88
  4. Step 4: Simplify right side
    401,839.76x = 122,305,297,031.93
  5. Step 5: Solve for x
    x = 122,305,297,031.93/401,839.76
  6. Step 6: Final answer
    x = 304,363.35

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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.