Home / 323,829.20-484,966.20-261,621.20

Finding the Fourth Proportional to 323,829.20, 484,966.20 and 261,621.20

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Solution

The fourth proportional to 323,829.20, 484,966.20 and 261,621.20 is: 391,803.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,829.20 : 484,966.20 = 261,621.20 : x
  2. Step 2: Convert to fraction form
    323,829.20/484,966.20 = 261,621.20/x
  3. Step 3: Cross multiply
    323,829.20x = 484,966.20 × 261,621.20
  4. Step 4: Simplify right side
    323,829.20x = 126,877,439,203.44
  5. Step 5: Solve for x
    x = 126,877,439,203.44/323,829.20
  6. Step 6: Final answer
    x = 391,803.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.