Home / 348,380.20-521,792.70-268,870.60

Finding the Fourth Proportional to 348,380.20, 521,792.70 and 268,870.60

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Solution

The fourth proportional to 348,380.20, 521,792.70 and 268,870.60 is: 402,705.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,380.20 : 521,792.70 = 268,870.60 : x
  2. Step 2: Convert to fraction form
    348,380.20/521,792.70 = 268,870.60/x
  3. Step 3: Cross multiply
    348,380.20x = 521,792.70 × 268,870.60
  4. Step 4: Simplify right side
    348,380.20x = 140,294,716,324.62
  5. Step 5: Solve for x
    x = 140,294,716,324.62/348,380.20
  6. Step 6: Final answer
    x = 402,705.77

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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.