Home / 348,738.49-481,135.20-227,949.40

Finding the Fourth Proportional to 348,738.49, 481,135.20 and 227,949.40

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Solution

The fourth proportional to 348,738.49, 481,135.20 and 227,949.40 is: 314,489.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,738.49 : 481,135.20 = 227,949.40 : x
  2. Step 2: Convert to fraction form
    348,738.49/481,135.20 = 227,949.40/x
  3. Step 3: Cross multiply
    348,738.49x = 481,135.20 × 227,949.40
  4. Step 4: Simplify right side
    348,738.49x = 109,674,480,158.88
  5. Step 5: Solve for x
    x = 109,674,480,158.88/348,738.49
  6. Step 6: Final answer
    x = 314,489.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.