Home / 311,143.14-466,321.05-198,779.94

Finding the Fourth Proportional to 311,143.14, 466,321.05 and 198,779.94

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Solution

The fourth proportional to 311,143.14, 466,321.05 and 198,779.94 is: 297,918.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,143.14 : 466,321.05 = 198,779.94 : x
  2. Step 2: Convert to fraction form
    311,143.14/466,321.05 = 198,779.94/x
  3. Step 3: Cross multiply
    311,143.14x = 466,321.05 × 198,779.94
  4. Step 4: Simplify right side
    311,143.14x = 92,695,270,339.74
  5. Step 5: Solve for x
    x = 92,695,270,339.74/311,143.14
  6. Step 6: Final answer
    x = 297,918.41

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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.