Home / 484,195.20-668,137.68-269,300.76

Finding the Fourth Proportional to 484,195.20, 668,137.68 and 269,300.76

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Solution

The fourth proportional to 484,195.20, 668,137.68 and 269,300.76 is: 371,606.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,195.20 : 668,137.68 = 269,300.76 : x
  2. Step 2: Convert to fraction form
    484,195.20/668,137.68 = 269,300.76/x
  3. Step 3: Cross multiply
    484,195.20x = 668,137.68 × 269,300.76
  4. Step 4: Simplify right side
    484,195.20x = 179,929,985,008.64
  5. Step 5: Solve for x
    x = 179,929,985,008.64/484,195.20
  6. Step 6: Final answer
    x = 371,606.30

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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.