Home / 274,932.34-379,411.22-154,100.58

Finding the Fourth Proportional to 274,932.34, 379,411.22 and 154,100.58

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Solution

The fourth proportional to 274,932.34, 379,411.22 and 154,100.58 is: 212,661.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,932.34 : 379,411.22 = 154,100.58 : x
  2. Step 2: Convert to fraction form
    274,932.34/379,411.22 = 154,100.58/x
  3. Step 3: Cross multiply
    274,932.34x = 379,411.22 × 154,100.58
  4. Step 4: Simplify right side
    274,932.34x = 58,467,489,060.51
  5. Step 5: Solve for x
    x = 58,467,489,060.51/274,932.34
  6. Step 6: Final answer
    x = 212,661.37

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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.