Home / 276,736.15-415,104.53-77,056.97

Finding the Fourth Proportional to 276,736.15, 415,104.53 and 77,056.97

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Solution

The fourth proportional to 276,736.15, 415,104.53 and 77,056.97 is: 115,585.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,736.15 : 415,104.53 = 77,056.97 : x
  2. Step 2: Convert to fraction form
    276,736.15/415,104.53 = 77,056.97/x
  3. Step 3: Cross multiply
    276,736.15x = 415,104.53 × 77,056.97
  4. Step 4: Simplify right side
    276,736.15x = 31,986,697,315.07
  5. Step 5: Solve for x
    x = 31,986,697,315.07/276,736.15
  6. Step 6: Final answer
    x = 115,585.54

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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.