Home / 401,468.87-554,034.13-220,179.23

Finding the Fourth Proportional to 401,468.87, 554,034.13 and 220,179.23

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Solution

The fourth proportional to 401,468.87, 554,034.13 and 220,179.23 is: 303,851.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,468.87 : 554,034.13 = 220,179.23 : x
  2. Step 2: Convert to fraction form
    401,468.87/554,034.13 = 220,179.23/x
  3. Step 3: Cross multiply
    401,468.87x = 554,034.13 × 220,179.23
  4. Step 4: Simplify right side
    401,468.87x = 121,986,806,894.13
  5. Step 5: Solve for x
    x = 121,986,806,894.13/401,468.87
  6. Step 6: Final answer
    x = 303,851.22

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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.