Finding the Fourth Proportional to 222,316.62, 306,768.11 and 126,817.62
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Solution
The fourth proportional to 222,316.62, 306,768.11 and 126,817.62 is: 174,991.87
Step by Step Solution
- Step 1: Write the proportion equation
222,316.62 : 306,768.11 = 126,817.62 : x - Step 2: Convert to fraction form
222,316.62/306,768.11 = 126,817.62/x - Step 3: Cross multiply
222,316.62x = 306,768.11 × 126,817.62 - Step 4: Simplify right side
222,316.62x = 38,903,600,968.01 - Step 5: Solve for x
x = 38,903,600,968.01/222,316.62 - Step 6: Final answer
x = 174,991.87
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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.