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Finding the Fourth Proportional to 276,072.30, 414,108.45 and 118,608.30

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Solution

The fourth proportional to 276,072.30, 414,108.45 and 118,608.30 is: 177,912.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,072.30 : 414,108.45 = 118,608.30 : x
  2. Step 2: Convert to fraction form
    276,072.30/414,108.45 = 118,608.30/x
  3. Step 3: Cross multiply
    276,072.30x = 414,108.45 × 118,608.30
  4. Step 4: Simplify right side
    276,072.30x = 49,116,699,270.14
  5. Step 5: Solve for x
    x = 49,116,699,270.14/276,072.30
  6. Step 6: Final answer
    x = 177,912.45

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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.