Finding the Fourth Proportional to 372,201.30, 557,964.09 and 135,376.56
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Solution
The fourth proportional to 372,201.30, 557,964.09 and 135,376.56 is: 202,941.95
Step by Step Solution
- Step 1: Write the proportion equation
372,201.30 : 557,964.09 = 135,376.56 : x - Step 2: Convert to fraction form
372,201.30/557,964.09 = 135,376.56/x - Step 3: Cross multiply
372,201.30x = 557,964.09 × 135,376.56 - Step 4: Simplify right side
372,201.30x = 75,535,259,107.73 - Step 5: Solve for x
x = 75,535,259,107.73/372,201.30 - Step 6: Final answer
x = 202,941.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.