Finding the Fourth Proportional to 277,381.80, 416,072.70 and 137,413.80
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Solution
The fourth proportional to 277,381.80, 416,072.70 and 137,413.80 is: 206,120.70
Step by Step Solution
- Step 1: Write the proportion equation
277,381.80 : 416,072.70 = 137,413.80 : x - Step 2: Convert to fraction form
277,381.80/416,072.70 = 137,413.80/x - Step 3: Cross multiply
277,381.80x = 416,072.70 × 137,413.80 - Step 4: Simplify right side
277,381.80x = 57,174,130,783.26 - Step 5: Solve for x
x = 57,174,130,783.26/277,381.80 - Step 6: Final answer
x = 206,120.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.