Finding the Fourth Proportional to 178,413.47, 246,187.96 and 97,819.79
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Solution
The fourth proportional to 178,413.47, 246,187.96 and 97,819.79 is: 134,978.90
Step by Step Solution
- Step 1: Write the proportion equation
178,413.47 : 246,187.96 = 97,819.79 : x - Step 2: Convert to fraction form
178,413.47/246,187.96 = 97,819.79/x - Step 3: Cross multiply
178,413.47x = 246,187.96 × 97,819.79 - Step 4: Simplify right side
178,413.47x = 24,082,053,072.24 - Step 5: Solve for x
x = 24,082,053,072.24/178,413.47 - Step 6: Final answer
x = 134,978.90
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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.