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Finding the Fourth Proportional to 347,863.74, 481,018.28 and 276,119.21

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Solution

The fourth proportional to 347,863.74, 481,018.28 and 276,119.21 is: 381,811.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,863.74 : 481,018.28 = 276,119.21 : x
  2. Step 2: Convert to fraction form
    347,863.74/481,018.28 = 276,119.21/x
  3. Step 3: Cross multiply
    347,863.74x = 481,018.28 × 276,119.21
  4. Step 4: Simplify right side
    347,863.74x = 132,818,383,683.47
  5. Step 5: Solve for x
    x = 132,818,383,683.47/347,863.74
  6. Step 6: Final answer
    x = 381,811.52

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1.5x scale

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.