Finding the Fourth Proportional to 281,504.61, 388,413.95 and 166,725.99
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Solution
The fourth proportional to 281,504.61, 388,413.95 and 166,725.99 is: 230,044.90
Step by Step Solution
- Step 1: Write the proportion equation
281,504.61 : 388,413.95 = 166,725.99 : x - Step 2: Convert to fraction form
281,504.61/388,413.95 = 166,725.99/x - Step 3: Cross multiply
281,504.61x = 388,413.95 × 166,725.99 - Step 4: Simplify right side
281,504.61x = 64,758,699,509.93 - Step 5: Solve for x
x = 64,758,699,509.93/281,504.61 - Step 6: Final answer
x = 230,044.90
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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.