Home / 311,431.95-466,370.33-205,678.35

Finding the Fourth Proportional to 311,431.95, 466,370.33 and 205,678.35

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Solution

The fourth proportional to 311,431.95, 466,370.33 and 205,678.35 is: 308,003.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,431.95 : 466,370.33 = 205,678.35 : x
  2. Step 2: Convert to fraction form
    311,431.95/466,370.33 = 205,678.35/x
  3. Step 3: Cross multiply
    311,431.95x = 466,370.33 × 205,678.35
  4. Step 4: Simplify right side
    311,431.95x = 95,922,278,934.96
  5. Step 5: Solve for x
    x = 95,922,278,934.96/311,431.95
  6. Step 6: Final answer
    x = 308,003.98

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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.