Home / 211,458.69-291,816.73-115,964.55

Finding the Fourth Proportional to 211,458.69, 291,816.73 and 115,964.55

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Solution

The fourth proportional to 211,458.69, 291,816.73 and 115,964.55 is: 160,033.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,458.69 : 291,816.73 = 115,964.55 : x
  2. Step 2: Convert to fraction form
    211,458.69/291,816.73 = 115,964.55/x
  3. Step 3: Cross multiply
    211,458.69x = 291,816.73 × 115,964.55
  4. Step 4: Simplify right side
    211,458.69x = 33,840,394,027.93
  5. Step 5: Solve for x
    x = 33,840,394,027.93/211,458.69
  6. Step 6: Final answer
    x = 160,033.12

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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.