Finding the Fourth Proportional to 303,394.75, 418,684.94 and 169,258.75
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Solution
The fourth proportional to 303,394.75, 418,684.94 and 169,258.75 is: 233,577.18
Step by Step Solution
- Step 1: Write the proportion equation
303,394.75 : 418,684.94 = 169,258.75 : x - Step 2: Convert to fraction form
303,394.75/418,684.94 = 169,258.75/x - Step 3: Cross multiply
303,394.75x = 418,684.94 × 169,258.75 - Step 4: Simplify right side
303,394.75x = 70,866,089,588.23 - Step 5: Solve for x
x = 70,866,089,588.23/303,394.75 - Step 6: Final answer
x = 233,577.18
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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.