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Finding the Fourth Proportional to 311,687.07, 467,413.97 and 245,902.11

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Solution

The fourth proportional to 311,687.07, 467,413.97 and 245,902.11 is: 368,761.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,687.07 : 467,413.97 = 245,902.11 : x
  2. Step 2: Convert to fraction form
    311,687.07/467,413.97 = 245,902.11/x
  3. Step 3: Cross multiply
    311,687.07x = 467,413.97 × 245,902.11
  4. Step 4: Simplify right side
    311,687.07x = 114,938,080,236.97
  5. Step 5: Solve for x
    x = 114,938,080,236.97/311,687.07
  6. Step 6: Final answer
    x = 368,761.14

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1.5x scale

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.