Home / 276,727.60-415,091.40-271,478.80

Finding the Fourth Proportional to 276,727.60, 415,091.40 and 271,478.80

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Solution

The fourth proportional to 276,727.60, 415,091.40 and 271,478.80 is: 407,218.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,727.60 : 415,091.40 = 271,478.80 : x
  2. Step 2: Convert to fraction form
    276,727.60/415,091.40 = 271,478.80/x
  3. Step 3: Cross multiply
    276,727.60x = 415,091.40 × 271,478.80
  4. Step 4: Simplify right side
    276,727.60x = 112,688,515,162.32
  5. Step 5: Solve for x
    x = 112,688,515,162.32/276,727.60
  6. Step 6: Final answer
    x = 407,218.20

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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.