Finding the Fourth Proportional to 187,353.91, 258,554.58 and 102,470.97
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Solution
The fourth proportional to 187,353.91, 258,554.58 and 102,470.97 is: 141,413.33
Step by Step Solution
- Step 1: Write the proportion equation
187,353.91 : 258,554.58 = 102,470.97 : x - Step 2: Convert to fraction form
187,353.91/258,554.58 = 102,470.97/x - Step 3: Cross multiply
187,353.91x = 258,554.58 × 102,470.97 - Step 4: Simplify right side
187,353.91x = 26,494,339,772.26 - Step 5: Solve for x
x = 26,494,339,772.26/187,353.91 - Step 6: Final answer
x = 141,413.33
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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.