Home / 274,962.88-379,453.26-154,131.04

Finding the Fourth Proportional to 274,962.88, 379,453.26 and 154,131.04

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Solution

The fourth proportional to 274,962.88, 379,453.26 and 154,131.04 is: 212,703.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,962.88 : 379,453.26 = 154,131.04 : x
  2. Step 2: Convert to fraction form
    274,962.88/379,453.26 = 154,131.04/x
  3. Step 3: Cross multiply
    274,962.88x = 379,453.26 × 154,131.04
  4. Step 4: Simplify right side
    274,962.88x = 58,485,525,595.19
  5. Step 5: Solve for x
    x = 58,485,525,595.19/274,962.88
  6. Step 6: Final answer
    x = 212,703.35

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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.