Home / 211,046.43-291,232.89-115,534.74

Finding the Fourth Proportional to 211,046.43, 291,232.89 and 115,534.74

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Solution

The fourth proportional to 211,046.43, 291,232.89 and 115,534.74 is: 159,431.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,046.43 : 291,232.89 = 115,534.74 : x
  2. Step 2: Convert to fraction form
    211,046.43/291,232.89 = 115,534.74/x
  3. Step 3: Cross multiply
    211,046.43x = 291,232.89 × 115,534.74
  4. Step 4: Simplify right side
    211,046.43x = 33,647,516,225.60
  5. Step 5: Solve for x
    x = 33,647,516,225.60/211,046.43
  6. Step 6: Final answer
    x = 159,431.82

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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.