Finding the Fourth Proportional to 168,790.08, 252,961.56 and 89,734.08
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Solution
The fourth proportional to 168,790.08, 252,961.56 and 89,734.08 is: 134,482.27
Step by Step Solution
- Step 1: Write the proportion equation
168,790.08 : 252,961.56 = 89,734.08 : x - Step 2: Convert to fraction form
168,790.08/252,961.56 = 89,734.08/x - Step 3: Cross multiply
168,790.08x = 252,961.56 × 89,734.08 - Step 4: Simplify right side
168,790.08x = 22,699,272,861.96 - Step 5: Solve for x
x = 22,699,272,861.96/168,790.08 - Step 6: Final answer
x = 134,482.27
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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.