Finding the Fourth Proportional to 247,413.36, 341,430.46 and 134,236.12
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Solution
The fourth proportional to 247,413.36, 341,430.46 and 134,236.12 is: 185,245.86
Step by Step Solution
- Step 1: Write the proportion equation
247,413.36 : 341,430.46 = 134,236.12 : x - Step 2: Convert to fraction form
247,413.36/341,430.46 = 134,236.12/x - Step 3: Cross multiply
247,413.36x = 341,430.46 × 134,236.12 - Step 4: Simplify right side
247,413.36x = 45,832,300,200.22 - Step 5: Solve for x
x = 45,832,300,200.22/247,413.36 - Step 6: Final answer
x = 185,245.86
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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.