Finding the Fourth Proportional to 168,476.23, 252,589.48 and 79,625.94
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Solution
The fourth proportional to 168,476.23, 252,589.48 and 79,625.94 is: 119,379.90
Step by Step Solution
- Step 1: Write the proportion equation
168,476.23 : 252,589.48 = 79,625.94 : x - Step 2: Convert to fraction form
168,476.23/252,589.48 = 79,625.94/x - Step 3: Cross multiply
168,476.23x = 252,589.48 × 79,625.94 - Step 4: Simplify right side
168,476.23x = 20,112,674,779.11 - Step 5: Solve for x
x = 20,112,674,779.11/168,476.23 - Step 6: Final answer
x = 119,379.90
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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.