Finding the Fourth Proportional to 248,372.58, 372,444.66 and 79,861.80
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Solution
The fourth proportional to 248,372.58, 372,444.66 and 79,861.80 is: 119,755.98
Step by Step Solution
- Step 1: Write the proportion equation
248,372.58 : 372,444.66 = 79,861.80 : x - Step 2: Convert to fraction form
248,372.58/372,444.66 = 79,861.80/x - Step 3: Cross multiply
248,372.58x = 372,444.66 × 79,861.80 - Step 4: Simplify right side
248,372.58x = 29,744,100,947.99 - Step 5: Solve for x
x = 29,744,100,947.99/248,372.58 - Step 6: Final answer
x = 119,755.98
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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.