Home / 311,932.10-465,641.70-274,098.20

Finding the Fourth Proportional to 311,932.10, 465,641.70 and 274,098.20

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Solution

The fourth proportional to 311,932.10, 465,641.70 and 274,098.20 is: 409,164.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,932.10 : 465,641.70 = 274,098.20 : x
  2. Step 2: Convert to fraction form
    311,932.10/465,641.70 = 274,098.20/x
  3. Step 3: Cross multiply
    311,932.10x = 465,641.70 × 274,098.20
  4. Step 4: Simplify right side
    311,932.10x = 127,631,551,814.94
  5. Step 5: Solve for x
    x = 127,631,551,814.94/311,932.10
  6. Step 6: Final answer
    x = 409,164.53

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.