Finding the Fourth Proportional to 122,413.36, 183,447.64 and 97,342.12
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Solution
The fourth proportional to 122,413.36, 183,447.64 and 97,342.12 is: 145,876.09
Step by Step Solution
- Step 1: Write the proportion equation
122,413.36 : 183,447.64 = 97,342.12 : x - Step 2: Convert to fraction form
122,413.36/183,447.64 = 97,342.12/x - Step 3: Cross multiply
122,413.36x = 183,447.64 × 97,342.12 - Step 4: Simplify right side
122,413.36x = 17,857,182,186.60 - Step 5: Solve for x
x = 17,857,182,186.60/122,413.36 - Step 6: Final answer
x = 145,876.09
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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.