Home / 311,940.10-465,653.62-274,106.20

Finding the Fourth Proportional to 311,940.10, 465,653.62 and 274,106.20

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Solution

The fourth proportional to 311,940.10, 465,653.62 and 274,106.20 is: 409,176.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,940.10 : 465,653.62 = 274,106.20 : x
  2. Step 2: Convert to fraction form
    311,940.10/465,653.62 = 274,106.20/x
  3. Step 3: Cross multiply
    311,940.10x = 465,653.62 × 274,106.20
  4. Step 4: Simplify right side
    311,940.10x = 127,638,544,294.44
  5. Step 5: Solve for x
    x = 127,638,544,294.44/311,940.10
  6. Step 6: Final answer
    x = 409,176.46

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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.