Home / 276,721.32-415,056.04-89,734.44

Finding the Fourth Proportional to 276,721.32, 415,056.04 and 89,734.44

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Solution

The fourth proportional to 276,721.32, 415,056.04 and 89,734.44 is: 134,593.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,721.32 : 415,056.04 = 89,734.44 : x
  2. Step 2: Convert to fraction form
    276,721.32/415,056.04 = 89,734.44/x
  3. Step 3: Cross multiply
    276,721.32x = 415,056.04 × 89,734.44
  4. Step 4: Simplify right side
    276,721.32x = 37,244,821,318.02
  5. Step 5: Solve for x
    x = 37,244,821,318.02/276,721.32
  6. Step 6: Final answer
    x = 134,593.25

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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.