Home / 484,078.68-667,977.30-269,184.06

Finding the Fourth Proportional to 484,078.68, 667,977.30 and 269,184.06

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Solution

The fourth proportional to 484,078.68, 667,977.30 and 269,184.06 is: 371,445.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,078.68 : 667,977.30 = 269,184.06 : x
  2. Step 2: Convert to fraction form
    484,078.68/667,977.30 = 269,184.06/x
  3. Step 3: Cross multiply
    484,078.68x = 667,977.30 × 269,184.06
  4. Step 4: Simplify right side
    484,078.68x = 179,808,841,601.84
  5. Step 5: Solve for x
    x = 179,808,841,601.84/484,078.68
  6. Step 6: Final answer
    x = 371,445.49

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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.