Home / 380,850.14-571,647-181,308.26

Finding the Fourth Proportional to 380,850.14, 571,647 and 181,308.26

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Solution

The fourth proportional to 380,850.14, 571,647 and 181,308.26 is: 272,139.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,850.14 : 571,647 = 181,308.26 : x
  2. Step 2: Convert to fraction form
    380,850.14/571,647 = 181,308.26/x
  3. Step 3: Cross multiply
    380,850.14x = 571,647 × 181,308.26
  4. Step 4: Simplify right side
    380,850.14x = 103,644,322,904.22
  5. Step 5: Solve for x
    x = 103,644,322,904.22/380,850.14
  6. Step 6: Final answer
    x = 272,139.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.