Home / 348,778.05-481,415.96-227,938.10

Finding the Fourth Proportional to 348,778.05, 481,415.96 and 227,938.10

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Solution

The fourth proportional to 348,778.05, 481,415.96 and 227,938.10 is: 314,621.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,778.05 : 481,415.96 = 227,938.10 : x
  2. Step 2: Convert to fraction form
    348,778.05/481,415.96 = 227,938.10/x
  3. Step 3: Cross multiply
    348,778.05x = 481,415.96 × 227,938.10
  4. Step 4: Simplify right side
    348,778.05x = 109,733,035,685.31
  5. Step 5: Solve for x
    x = 109,733,035,685.31/348,778.05
  6. Step 6: Final answer
    x = 314,621.39

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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.