Finding the Fourth Proportional to 222,316.44, 306,768.12 and 126,817.44
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Solution
The fourth proportional to 222,316.44, 306,768.12 and 126,817.44 is: 174,991.77
Step by Step Solution
- Step 1: Write the proportion equation
222,316.44 : 306,768.12 = 126,817.44 : x - Step 2: Convert to fraction form
222,316.44/306,768.12 = 126,817.44/x - Step 3: Cross multiply
222,316.44x = 306,768.12 × 126,817.44 - Step 4: Simplify right side
222,316.44x = 38,903,547,652.01 - Step 5: Solve for x
x = 38,903,547,652.01/222,316.44 - Step 6: Final answer
x = 174,991.77
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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.