Finding the Fourth Proportional to 218,258.35, 301,193.44 and 122,765.02
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Solution
The fourth proportional to 218,258.35, 301,193.44 and 122,765.02 is: 169,413.99
Step by Step Solution
- Step 1: Write the proportion equation
218,258.35 : 301,193.44 = 122,765.02 : x - Step 2: Convert to fraction form
218,258.35/301,193.44 = 122,765.02/x - Step 3: Cross multiply
218,258.35x = 301,193.44 × 122,765.02 - Step 4: Simplify right side
218,258.35x = 36,976,017,625.57 - Step 5: Solve for x
x = 36,976,017,625.57/218,258.35 - Step 6: Final answer
x = 169,413.99
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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.