Home / 268,579.90-403,056.15-202,159.90

Finding the Fourth Proportional to 268,579.90, 403,056.15 and 202,159.90

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Solution

The fourth proportional to 268,579.90, 403,056.15 and 202,159.90 is: 303,380.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,579.90 : 403,056.15 = 202,159.90 : x
  2. Step 2: Convert to fraction form
    268,579.90/403,056.15 = 202,159.90/x
  3. Step 3: Cross multiply
    268,579.90x = 403,056.15 × 202,159.90
  4. Step 4: Simplify right side
    268,579.90x = 81,481,790,978.39
  5. Step 5: Solve for x
    x = 81,481,790,978.39/268,579.90
  6. Step 6: Final answer
    x = 303,380.08

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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.