Finding the Fourth Proportional to 300,868.09, 415,143.53 and 193,413.49
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Solution
The fourth proportional to 300,868.09, 415,143.53 and 193,413.49 is: 266,875.62
Step by Step Solution
- Step 1: Write the proportion equation
300,868.09 : 415,143.53 = 193,413.49 : x - Step 2: Convert to fraction form
300,868.09/415,143.53 = 193,413.49/x - Step 3: Cross multiply
300,868.09x = 415,143.53 × 193,413.49 - Step 4: Simplify right side
300,868.09x = 80,294,357,708.59 - Step 5: Solve for x
x = 80,294,357,708.59/300,868.09 - Step 6: Final answer
x = 266,875.62
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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.