Finding the Fourth Proportional to 110,413.80, 165,620.70 and 36,541.80
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Solution
The fourth proportional to 110,413.80, 165,620.70 and 36,541.80 is: 54,812.70
Step by Step Solution
- Step 1: Write the proportion equation
110,413.80 : 165,620.70 = 36,541.80 : x - Step 2: Convert to fraction form
110,413.80/165,620.70 = 36,541.80/x - Step 3: Cross multiply
110,413.80x = 165,620.70 × 36,541.80 - Step 4: Simplify right side
110,413.80x = 6,052,078,495.26 - Step 5: Solve for x
x = 6,052,078,495.26/110,413.80 - Step 6: Final answer
x = 54,812.70
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1.5x scale
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.