Home / 339,256.10-468,155.13-188,343.38

Finding the Fourth Proportional to 339,256.10, 468,155.13 and 188,343.38

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Solution

The fourth proportional to 339,256.10, 468,155.13 and 188,343.38 is: 259,903.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,256.10 : 468,155.13 = 188,343.38 : x
  2. Step 2: Convert to fraction form
    339,256.10/468,155.13 = 188,343.38/x
  3. Step 3: Cross multiply
    339,256.10x = 468,155.13 × 188,343.38
  4. Step 4: Simplify right side
    339,256.10x = 88,173,919,548.54
  5. Step 5: Solve for x
    x = 88,173,919,548.54/339,256.10
  6. Step 6: Final answer
    x = 259,903.71

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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.