Home / 401,928.78-554,647.35-227,495.24

Finding the Fourth Proportional to 401,928.78, 554,647.35 and 227,495.24

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Solution

The fourth proportional to 401,928.78, 554,647.35 and 227,495.24 is: 313,935.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,928.78 : 554,647.35 = 227,495.24 : x
  2. Step 2: Convert to fraction form
    401,928.78/554,647.35 = 227,495.24/x
  3. Step 3: Cross multiply
    401,928.78x = 554,647.35 × 227,495.24
  4. Step 4: Simplify right side
    401,928.78x = 126,179,632,163.41
  5. Step 5: Solve for x
    x = 126,179,632,163.41/401,928.78
  6. Step 6: Final answer
    x = 313,935.30

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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.