Finding the Fourth Proportional to 175,687.80, 263,531.70 and 49,327.80
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Solution
The fourth proportional to 175,687.80, 263,531.70 and 49,327.80 is: 73,991.70
Step by Step Solution
- Step 1: Write the proportion equation
175,687.80 : 263,531.70 = 49,327.80 : x - Step 2: Convert to fraction form
175,687.80/263,531.70 = 49,327.80/x - Step 3: Cross multiply
175,687.80x = 263,531.70 × 49,327.80 - Step 4: Simplify right side
175,687.80x = 12,999,438,991.26 - Step 5: Solve for x
x = 12,999,438,991.26/175,687.80 - Step 6: Final answer
x = 73,991.70
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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.