Finding the Fourth Proportional to 286,527.21, 395,528.76 and 193,413.26
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Solution
The fourth proportional to 286,527.21, 395,528.76 and 193,413.26 is: 266,992.11
Step by Step Solution
- Step 1: Write the proportion equation
286,527.21 : 395,528.76 = 193,413.26 : x - Step 2: Convert to fraction form
286,527.21/395,528.76 = 193,413.26/x - Step 3: Cross multiply
286,527.21x = 395,528.76 × 193,413.26 - Step 4: Simplify right side
286,527.21x = 76,500,504,917.71 - Step 5: Solve for x
x = 76,500,504,917.71/286,527.21 - Step 6: Final answer
x = 266,992.11
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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.