Finding the Fourth Proportional to 151,269.06, 208,743.18 and 83,272.80
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Solution
The fourth proportional to 151,269.06, 208,743.18 and 83,272.80 is: 114,911.99
Step by Step Solution
- Step 1: Write the proportion equation
151,269.06 : 208,743.18 = 83,272.80 : x - Step 2: Convert to fraction form
151,269.06/208,743.18 = 83,272.80/x - Step 3: Cross multiply
151,269.06x = 208,743.18 × 83,272.80 - Step 4: Simplify right side
151,269.06x = 17,382,629,079.50 - Step 5: Solve for x
x = 17,382,629,079.50/151,269.06 - Step 6: Final answer
x = 114,911.99
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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.