Finding the Fourth Proportional to 198,559.08, 297,842.94 and 78,609.96
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Solution
The fourth proportional to 198,559.08, 297,842.94 and 78,609.96 is: 117,916.65
Step by Step Solution
- Step 1: Write the proportion equation
198,559.08 : 297,842.94 = 78,609.96 : x - Step 2: Convert to fraction form
198,559.08/297,842.94 = 78,609.96/x - Step 3: Cross multiply
198,559.08x = 297,842.94 × 78,609.96 - Step 4: Simplify right side
198,559.08x = 23,413,421,599.68 - Step 5: Solve for x
x = 23,413,421,599.68/198,559.08 - Step 6: Final answer
x = 117,916.65
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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.