Home / 276,928.80-415,096.56-197,802.96

Finding the Fourth Proportional to 276,928.80, 415,096.56 and 197,802.96

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Solution

The fourth proportional to 276,928.80, 415,096.56 and 197,802.96 is: 296,492.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,928.80 : 415,096.56 = 197,802.96 : x
  2. Step 2: Convert to fraction form
    276,928.80/415,096.56 = 197,802.96/x
  3. Step 3: Cross multiply
    276,928.80x = 415,096.56 × 197,802.96
  4. Step 4: Simplify right side
    276,928.80x = 82,107,328,253.82
  5. Step 5: Solve for x
    x = 82,107,328,253.82/276,928.80
  6. Step 6: Final answer
    x = 296,492.56

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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.