Finding the Fourth Proportional to 368,413.67, 552,620.52 and 131,741.99
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Solution
The fourth proportional to 368,413.67, 552,620.52 and 131,741.99 is: 197,612.99
Step by Step Solution
- Step 1: Write the proportion equation
368,413.67 : 552,620.52 = 131,741.99 : x - Step 2: Convert to fraction form
368,413.67/552,620.52 = 131,741.99/x - Step 3: Cross multiply
368,413.67x = 552,620.52 × 131,741.99 - Step 4: Simplify right side
368,413.67x = 72,803,327,019.63 - Step 5: Solve for x
x = 72,803,327,019.63/368,413.67 - Step 6: Final answer
x = 197,612.99
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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.