Finding the Fourth Proportional to 378,586.68, 567,989.52 and 122,413.80
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Solution
The fourth proportional to 378,586.68, 567,989.52 and 122,413.80 is: 183,656.11
Step by Step Solution
- Step 1: Write the proportion equation
378,586.68 : 567,989.52 = 122,413.80 : x - Step 2: Convert to fraction form
378,586.68/567,989.52 = 122,413.80/x - Step 3: Cross multiply
378,586.68x = 567,989.52 × 122,413.80 - Step 4: Simplify right side
378,586.68x = 69,529,755,503.38 - Step 5: Solve for x
x = 69,529,755,503.38/378,586.68 - Step 6: Final answer
x = 183,656.11
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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.