Home / 211,290.05-291,578.60-115,796.52

Finding the Fourth Proportional to 211,290.05, 291,578.60 and 115,796.52

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Solution

The fourth proportional to 211,290.05, 291,578.60 and 115,796.52 is: 159,798.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,290.05 : 291,578.60 = 115,796.52 : x
  2. Step 2: Convert to fraction form
    211,290.05/291,578.60 = 115,796.52/x
  3. Step 3: Cross multiply
    211,290.05x = 291,578.60 × 115,796.52
  4. Step 4: Simplify right side
    211,290.05x = 33,763,785,878.54
  5. Step 5: Solve for x
    x = 33,763,785,878.54/211,290.05
  6. Step 6: Final answer
    x = 159,798.28

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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.