Home / 211,330.84-291,647.94-115,841.56

Finding the Fourth Proportional to 211,330.84, 291,647.94 and 115,841.56

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Solution

The fourth proportional to 211,330.84, 291,647.94 and 115,841.56 is: 159,867.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,330.84 : 291,647.94 = 115,841.56 : x
  2. Step 2: Convert to fraction form
    211,330.84/291,647.94 = 115,841.56/x
  3. Step 3: Cross multiply
    211,330.84x = 291,647.94 × 115,841.56
  4. Step 4: Simplify right side
    211,330.84x = 33,784,952,340.39
  5. Step 5: Solve for x
    x = 33,784,952,340.39/211,330.84
  6. Step 6: Final answer
    x = 159,867.59

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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.