Finding the Fourth Proportional to 389,824.62, 584,970.20 and 168,208.62
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Solution
The fourth proportional to 389,824.62, 584,970.20 and 168,208.62 is: 252,413.58
Step by Step Solution
- Step 1: Write the proportion equation
389,824.62 : 584,970.20 = 168,208.62 : x - Step 2: Convert to fraction form
389,824.62/584,970.20 = 168,208.62/x - Step 3: Cross multiply
389,824.62x = 584,970.20 × 168,208.62 - Step 4: Simplify right side
389,824.62x = 98,397,026,317.23 - Step 5: Solve for x
x = 98,397,026,317.23/389,824.62 - Step 6: Final answer
x = 252,413.58
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.