Finding the Fourth Proportional to 138,237.03, 207,413.87 and 127,203.62
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Solution
The fourth proportional to 138,237.03, 207,413.87 and 127,203.62 is: 190,859.09
Step by Step Solution
- Step 1: Write the proportion equation
138,237.03 : 207,413.87 = 127,203.62 : x - Step 2: Convert to fraction form
138,237.03/207,413.87 = 127,203.62/x - Step 3: Cross multiply
138,237.03x = 207,413.87 × 127,203.62 - Step 4: Simplify right side
138,237.03x = 26,383,793,429.12 - Step 5: Solve for x
x = 26,383,793,429.12/138,237.03 - Step 6: Final answer
x = 190,859.09
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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.