Home / 274,858.17-379,297.66-154,004.55

Finding the Fourth Proportional to 274,858.17, 379,297.66 and 154,004.55

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Solution

The fourth proportional to 274,858.17, 379,297.66 and 154,004.55 is: 212,522.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,858.17 : 379,297.66 = 154,004.55 : x
  2. Step 2: Convert to fraction form
    274,858.17/379,297.66 = 154,004.55/x
  3. Step 3: Cross multiply
    274,858.17x = 379,297.66 × 154,004.55
  4. Step 4: Simplify right side
    274,858.17x = 58,413,565,444.35
  5. Step 5: Solve for x
    x = 58,413,565,444.35/274,858.17
  6. Step 6: Final answer
    x = 212,522.57

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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.