Home / 348,942.28-523,416.18-191,084.62

Finding the Fourth Proportional to 348,942.28, 523,416.18 and 191,084.62

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Solution

The fourth proportional to 348,942.28, 523,416.18 and 191,084.62 is: 286,628.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,942.28 : 523,416.18 = 191,084.62 : x
  2. Step 2: Convert to fraction form
    348,942.28/523,416.18 = 191,084.62/x
  3. Step 3: Cross multiply
    348,942.28x = 523,416.18 × 191,084.62
  4. Step 4: Simplify right side
    348,942.28x = 100,016,781,171.73
  5. Step 5: Solve for x
    x = 100,016,781,171.73/348,942.28
  6. Step 6: Final answer
    x = 286,628.44

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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.