Home / 318,093.25-438,969.60-182,129.29

Finding the Fourth Proportional to 318,093.25, 438,969.60 and 182,129.29

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Solution

The fourth proportional to 318,093.25, 438,969.60 and 182,129.29 is: 251,338.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,093.25 : 438,969.60 = 182,129.29 : x
  2. Step 2: Convert to fraction form
    318,093.25/438,969.60 = 182,129.29/x
  3. Step 3: Cross multiply
    318,093.25x = 438,969.60 × 182,129.29
  4. Step 4: Simplify right side
    318,093.25x = 79,949,221,579.58
  5. Step 5: Solve for x
    x = 79,949,221,579.58/318,093.25
  6. Step 6: Final answer
    x = 251,338.94

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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.