Finding the Fourth Proportional to 279,413.62, 385,599.29 and 197,887.93
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Solution
The fourth proportional to 279,413.62, 385,599.29 and 197,887.93 is: 273,091.35
Step by Step Solution
- Step 1: Write the proportion equation
279,413.62 : 385,599.29 = 197,887.93 : x - Step 2: Convert to fraction form
279,413.62/385,599.29 = 197,887.93/x - Step 3: Cross multiply
279,413.62x = 385,599.29 × 197,887.93 - Step 4: Simplify right side
279,413.62x = 76,305,443,354.13 - Step 5: Solve for x
x = 76,305,443,354.13/279,413.62 - Step 6: Final answer
x = 273,091.35
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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.