Home / 211,391.01-291,722.43-115,897.47

Finding the Fourth Proportional to 211,391.01, 291,722.43 and 115,897.47

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Solution

The fourth proportional to 211,391.01, 291,722.43 and 115,897.47 is: 159,940.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,391.01 : 291,722.43 = 115,897.47 : x
  2. Step 2: Convert to fraction form
    211,391.01/291,722.43 = 115,897.47/x
  3. Step 3: Cross multiply
    211,391.01x = 291,722.43 × 115,897.47
  4. Step 4: Simplify right side
    211,391.01x = 33,809,891,579.25
  5. Step 5: Solve for x
    x = 33,809,891,579.25/211,391.01
  6. Step 6: Final answer
    x = 159,940.06

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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.