Finding the Fourth Proportional to 212,394.96, 318,636.18 and 177,577.92
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Solution
The fourth proportional to 212,394.96, 318,636.18 and 177,577.92 is: 266,403.45
Step by Step Solution
- Step 1: Write the proportion equation
212,394.96 : 318,636.18 = 177,577.92 : x - Step 2: Convert to fraction form
212,394.96/318,636.18 = 177,577.92/x - Step 3: Cross multiply
212,394.96x = 318,636.18 × 177,577.92 - Step 4: Simplify right side
212,394.96x = 56,582,750,081.15 - Step 5: Solve for x
x = 56,582,750,081.15/212,394.96 - Step 6: Final answer
x = 266,403.45
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1.5x scale
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.