Finding the Fourth Proportional to 160,006.36, 220,835.26 and 121,891.80
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Solution
The fourth proportional to 160,006.36, 220,835.26 and 121,891.80 is: 168,230.86
Step by Step Solution
- Step 1: Write the proportion equation
160,006.36 : 220,835.26 = 121,891.80 : x - Step 2: Convert to fraction form
160,006.36/220,835.26 = 121,891.80/x - Step 3: Cross multiply
160,006.36x = 220,835.26 × 121,891.80 - Step 4: Simplify right side
160,006.36x = 26,918,007,344.87 - Step 5: Solve for x
x = 26,918,007,344.87/160,006.36 - Step 6: Final answer
x = 168,230.86
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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.