Home / 274,664.08-379,047.23-153,804.30

Finding the Fourth Proportional to 274,664.08, 379,047.23 and 153,804.30

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Solution

The fourth proportional to 274,664.08, 379,047.23 and 153,804.30 is: 212,255.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,664.08 : 379,047.23 = 153,804.30 : x
  2. Step 2: Convert to fraction form
    274,664.08/379,047.23 = 153,804.30/x
  3. Step 3: Cross multiply
    274,664.08x = 379,047.23 × 153,804.30
  4. Step 4: Simplify right side
    274,664.08x = 58,299,093,877.09
  5. Step 5: Solve for x
    x = 58,299,093,877.09/274,664.08
  6. Step 6: Final answer
    x = 212,255.98

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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.