Finding the Fourth Proportional to 271,378.79, 374,257.55 and 169,413.68
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Solution
The fourth proportional to 271,378.79, 374,257.55 and 169,413.68 is: 233,637.81
Step by Step Solution
- Step 1: Write the proportion equation
271,378.79 : 374,257.55 = 169,413.68 : x - Step 2: Convert to fraction form
271,378.79/374,257.55 = 169,413.68/x - Step 3: Cross multiply
271,378.79x = 374,257.55 × 169,413.68 - Step 4: Simplify right side
271,378.79x = 63,404,347,829.03 - Step 5: Solve for x
x = 63,404,347,829.03/271,378.79 - Step 6: Final answer
x = 233,637.81
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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.