Home / 276,128.46-414,144.09-73,727.08

Finding the Fourth Proportional to 276,128.46, 414,144.09 and 73,727.08

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Solution

The fourth proportional to 276,128.46, 414,144.09 and 73,727.08 is: 110,577.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,128.46 : 414,144.09 = 73,727.08 : x
  2. Step 2: Convert to fraction form
    276,128.46/414,144.09 = 73,727.08/x
  3. Step 3: Cross multiply
    276,128.46x = 414,144.09 × 73,727.08
  4. Step 4: Simplify right side
    276,128.46x = 30,533,634,454.96
  5. Step 5: Solve for x
    x = 30,533,634,454.96/276,128.46
  6. Step 6: Final answer
    x = 110,577.64

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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.