Home / 211,338.52-291,645.78-115,849.24

Finding the Fourth Proportional to 211,338.52, 291,645.78 and 115,849.24

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Solution

The fourth proportional to 211,338.52, 291,645.78 and 115,849.24 is: 159,871.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,338.52 : 291,645.78 = 115,849.24 : x
  2. Step 2: Convert to fraction form
    211,338.52/291,645.78 = 115,849.24/x
  3. Step 3: Cross multiply
    211,338.52x = 291,645.78 × 115,849.24
  4. Step 4: Simplify right side
    211,338.52x = 33,786,941,962.21
  5. Step 5: Solve for x
    x = 33,786,941,962.21/211,338.52
  6. Step 6: Final answer
    x = 159,871.20

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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.