Finding the Fourth Proportional to 145,952.07, 201,413.76 and 78,884.07
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Solution
The fourth proportional to 145,952.07, 201,413.76 and 78,884.07 is: 108,859.96
Step by Step Solution
- Step 1: Write the proportion equation
145,952.07 : 201,413.76 = 78,884.07 : x - Step 2: Convert to fraction form
145,952.07/201,413.76 = 78,884.07/x - Step 3: Cross multiply
145,952.07x = 201,413.76 × 78,884.07 - Step 4: Simplify right side
145,952.07x = 15,888,337,142.80 - Step 5: Solve for x
x = 15,888,337,142.80/145,952.07 - Step 6: Final answer
x = 108,859.96
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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.