Finding the Fourth Proportional to 218,770.75, 301,903.68 and 118,168.75
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Solution
The fourth proportional to 218,770.75, 301,903.68 and 118,168.75 is: 163,072.90
Step by Step Solution
- Step 1: Write the proportion equation
218,770.75 : 301,903.68 = 118,168.75 : x - Step 2: Convert to fraction form
218,770.75/301,903.68 = 118,168.75/x - Step 3: Cross multiply
218,770.75x = 301,903.68 × 118,168.75 - Step 4: Simplify right side
218,770.75x = 35,675,580,486 - Step 5: Solve for x
x = 35,675,580,486/218,770.75 - Step 6: Final answer
x = 163,072.90
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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.