Finding the Fourth Proportional to 178,413.90, 246,214.56 and 97,836.62
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Solution
The fourth proportional to 178,413.90, 246,214.56 and 97,836.62 is: 135,016.39
Step by Step Solution
- Step 1: Write the proportion equation
178,413.90 : 246,214.56 = 97,836.62 : x - Step 2: Convert to fraction form
178,413.90/246,214.56 = 97,836.62/x - Step 3: Cross multiply
178,413.90x = 246,214.56 × 97,836.62 - Step 4: Simplify right side
178,413.90x = 24,088,800,345.19 - Step 5: Solve for x
x = 24,088,800,345.19/178,413.90 - Step 6: Final answer
x = 135,016.39
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1.5x scale
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.