Finding the Fourth Proportional to 183,159.80, 274,739.70 and 130,015.70
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Solution
The fourth proportional to 183,159.80, 274,739.70 and 130,015.70 is: 195,023.55
Step by Step Solution
- Step 1: Write the proportion equation
183,159.80 : 274,739.70 = 130,015.70 : x - Step 2: Convert to fraction form
183,159.80/274,739.70 = 130,015.70/x - Step 3: Cross multiply
183,159.80x = 274,739.70 × 130,015.70 - Step 4: Simplify right side
183,159.80x = 35,720,474,413.29 - Step 5: Solve for x
x = 35,720,474,413.29/183,159.80 - Step 6: Final answer
x = 195,023.55
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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.