Finding the Fourth Proportional to 186,638.06, 279,791.31 and 72,759.62
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Solution
The fourth proportional to 186,638.06, 279,791.31 and 72,759.62 is: 109,074.80
Step by Step Solution
- Step 1: Write the proportion equation
186,638.06 : 279,791.31 = 72,759.62 : x - Step 2: Convert to fraction form
186,638.06/279,791.31 = 72,759.62/x - Step 3: Cross multiply
186,638.06x = 279,791.31 × 72,759.62 - Step 4: Simplify right side
186,638.06x = 20,357,509,394.90 - Step 5: Solve for x
x = 20,357,509,394.90/186,638.06 - Step 6: Final answer
x = 109,074.80
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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.