Home / 401,864.56-554,572.87-227,431.60

Finding the Fourth Proportional to 401,864.56, 554,572.87 and 227,431.60

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Solution

The fourth proportional to 401,864.56, 554,572.87 and 227,431.60 is: 313,855.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,864.56 : 554,572.87 = 227,431.60 : x
  2. Step 2: Convert to fraction form
    401,864.56/554,572.87 = 227,431.60/x
  3. Step 3: Cross multiply
    401,864.56x = 554,572.87 × 227,431.60
  4. Step 4: Simplify right side
    401,864.56x = 126,127,395,140.69
  5. Step 5: Solve for x
    x = 126,127,395,140.69/401,864.56
  6. Step 6: Final answer
    x = 313,855.48

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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.