Home / 211,339.52-291,647.16-115,850.24

Finding the Fourth Proportional to 211,339.52, 291,647.16 and 115,850.24

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Solution

The fourth proportional to 211,339.52, 291,647.16 and 115,850.24 is: 159,872.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,339.52 : 291,647.16 = 115,850.24 : x
  2. Step 2: Convert to fraction form
    211,339.52/291,647.16 = 115,850.24/x
  3. Step 3: Cross multiply
    211,339.52x = 291,647.16 × 115,850.24
  4. Step 4: Simplify right side
    211,339.52x = 33,787,393,481.32
  5. Step 5: Solve for x
    x = 33,787,393,481.32/211,339.52
  6. Step 6: Final answer
    x = 159,872.58

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1.5x scale

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.