Home / 279,074.50-418,084.99-164,881.58

Finding the Fourth Proportional to 279,074.50, 418,084.99 and 164,881.58

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Solution

The fourth proportional to 279,074.50, 418,084.99 and 164,881.58 is: 247,011.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,074.50 : 418,084.99 = 164,881.58 : x
  2. Step 2: Convert to fraction form
    279,074.50/418,084.99 = 164,881.58/x
  3. Step 3: Cross multiply
    279,074.50x = 418,084.99 × 164,881.58
  4. Step 4: Simplify right side
    279,074.50x = 68,934,511,635.06
  5. Step 5: Solve for x
    x = 68,934,511,635.06/279,074.50
  6. Step 6: Final answer
    x = 247,011.14

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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.