Finding the Fourth Proportional to 147,335.30, 220,906.14 and 71,413.75
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Solution
The fourth proportional to 147,335.30, 220,906.14 and 71,413.75 is: 107,073.70
Step by Step Solution
- Step 1: Write the proportion equation
147,335.30 : 220,906.14 = 71,413.75 : x - Step 2: Convert to fraction form
147,335.30/220,906.14 = 71,413.75/x - Step 3: Cross multiply
147,335.30x = 220,906.14 × 71,413.75 - Step 4: Simplify right side
147,335.30x = 15,775,735,863.76 - Step 5: Solve for x
x = 15,775,735,863.76/147,335.30 - Step 6: Final answer
x = 107,073.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.