Home / 348,579.20-522,091.20-269,436.80

Finding the Fourth Proportional to 348,579.20, 522,091.20 and 269,436.80

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Solution

The fourth proportional to 348,579.20, 522,091.20 and 269,436.80 is: 403,554.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,579.20 : 522,091.20 = 269,436.80 : x
  2. Step 2: Convert to fraction form
    348,579.20/522,091.20 = 269,436.80/x
  3. Step 3: Cross multiply
    348,579.20x = 522,091.20 × 269,436.80
  4. Step 4: Simplify right side
    348,579.20x = 140,670,582,236.16
  5. Step 5: Solve for x
    x = 140,670,582,236.16/348,579.20
  6. Step 6: Final answer
    x = 403,554.15

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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.