Home / 211,290.80-291,579.63-115,797.27

Finding the Fourth Proportional to 211,290.80, 291,579.63 and 115,797.27

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Solution

The fourth proportional to 211,290.80, 291,579.63 and 115,797.27 is: 159,799.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,290.80 : 291,579.63 = 115,797.27 : x
  2. Step 2: Convert to fraction form
    211,290.80/291,579.63 = 115,797.27/x
  3. Step 3: Cross multiply
    211,290.80x = 291,579.63 × 115,797.27
  4. Step 4: Simplify right side
    211,290.80x = 33,764,125,141.61
  5. Step 5: Solve for x
    x = 33,764,125,141.61/211,290.80
  6. Step 6: Final answer
    x = 159,799.32

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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.