Home / 211,265.56-316,685.11-132,435.15

Finding the Fourth Proportional to 211,265.56, 316,685.11 and 132,435.15

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Solution

The fourth proportional to 211,265.56, 316,685.11 and 132,435.15 is: 198,519.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,265.56 : 316,685.11 = 132,435.15 : x
  2. Step 2: Convert to fraction form
    211,265.56/316,685.11 = 132,435.15/x
  3. Step 3: Cross multiply
    211,265.56x = 316,685.11 × 132,435.15
  4. Step 4: Simplify right side
    211,265.56x = 41,940,240,045.62
  5. Step 5: Solve for x
    x = 41,940,240,045.62/211,265.56
  6. Step 6: Final answer
    x = 198,519.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.