Finding the Fourth Proportional to 137,413.70, 192,534.70 and 137,413.70
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Solution
The fourth proportional to 137,413.70, 192,534.70 and 137,413.70 is: 192,534.70
Step by Step Solution
- Step 1: Write the proportion equation
137,413.70 : 192,534.70 = 137,413.70 : x - Step 2: Convert to fraction form
137,413.70/192,534.70 = 137,413.70/x - Step 3: Cross multiply
137,413.70x = 192,534.70 × 137,413.70 - Step 4: Simplify right side
137,413.70x = 26,456,905,505.39 - Step 5: Solve for x
x = 26,456,905,505.39/137,413.70 - Step 6: Final answer
x = 192,534.70
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.