Finding the Fourth Proportional to 252,591.62, 348,241.48 and 209,408.09
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Solution
The fourth proportional to 252,591.62, 348,241.48 and 209,408.09 is: 288,705.47
Step by Step Solution
- Step 1: Write the proportion equation
252,591.62 : 348,241.48 = 209,408.09 : x - Step 2: Convert to fraction form
252,591.62/348,241.48 = 209,408.09/x - Step 3: Cross multiply
252,591.62x = 348,241.48 × 209,408.09 - Step 4: Simplify right side
252,591.62x = 72,924,580,920.85 - Step 5: Solve for x
x = 72,924,580,920.85/252,591.62 - Step 6: Final answer
x = 288,705.47
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.