Finding the Fourth Proportional to 112,257.69, 168,408.72 and 41,180.99
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Solution
The fourth proportional to 112,257.69, 168,408.72 and 41,180.99 is: 61,779.62
Step by Step Solution
- Step 1: Write the proportion equation
112,257.69 : 168,408.72 = 41,180.99 : x - Step 2: Convert to fraction form
112,257.69/168,408.72 = 41,180.99/x - Step 3: Cross multiply
112,257.69x = 168,408.72 × 41,180.99 - Step 4: Simplify right side
112,257.69x = 6,935,236,972.19 - Step 5: Solve for x
x = 6,935,236,972.19/112,257.69 - Step 6: Final answer
x = 61,779.62
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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.