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Finding the Fourth Proportional to 275,426.84, 380,435.49 and 227,203.52

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Solution

The fourth proportional to 275,426.84, 380,435.49 and 227,203.52 is: 313,826.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,426.84 : 380,435.49 = 227,203.52 : x
  2. Step 2: Convert to fraction form
    275,426.84/380,435.49 = 227,203.52/x
  3. Step 3: Cross multiply
    275,426.84x = 380,435.49 × 227,203.52
  4. Step 4: Simplify right side
    275,426.84x = 86,436,282,460.92
  5. Step 5: Solve for x
    x = 86,436,282,460.92/275,426.84
  6. Step 6: Final answer
    x = 313,826.65

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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.