Home / 274,664.46-379,005.63-153,788.94

Finding the Fourth Proportional to 274,664.46, 379,005.63 and 153,788.94

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Solution

The fourth proportional to 274,664.46, 379,005.63 and 153,788.94 is: 212,211.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,664.46 : 379,005.63 = 153,788.94 : x
  2. Step 2: Convert to fraction form
    274,664.46/379,005.63 = 153,788.94/x
  3. Step 3: Cross multiply
    274,664.46x = 379,005.63 × 153,788.94
  4. Step 4: Simplify right side
    274,664.46x = 58,286,874,091.73
  5. Step 5: Solve for x
    x = 58,286,874,091.73/274,664.46
  6. Step 6: Final answer
    x = 212,211.20

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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.