Finding the Fourth Proportional to 284,745.62, 392,932.07 and 157,413.62
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Solution
The fourth proportional to 284,745.62, 392,932.07 and 157,413.62 is: 217,221.46
Step by Step Solution
- Step 1: Write the proportion equation
284,745.62 : 392,932.07 = 157,413.62 : x - Step 2: Convert to fraction form
284,745.62/392,932.07 = 157,413.62/x - Step 3: Cross multiply
284,745.62x = 392,932.07 × 157,413.62 - Step 4: Simplify right side
284,745.62x = 61,852,856,801.07 - Step 5: Solve for x
x = 61,852,856,801.07/284,745.62 - Step 6: Final answer
x = 217,221.46
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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.