Finding the Fourth Proportional to 192,891.09, 266,128.14 and 124,960.12
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Solution
The fourth proportional to 192,891.09, 266,128.14 and 124,960.12 is: 172,405.08
Step by Step Solution
- Step 1: Write the proportion equation
192,891.09 : 266,128.14 = 124,960.12 : x - Step 2: Convert to fraction form
192,891.09/266,128.14 = 124,960.12/x - Step 3: Cross multiply
192,891.09x = 266,128.14 × 124,960.12 - Step 4: Simplify right side
192,891.09x = 33,255,404,309.78 - Step 5: Solve for x
x = 33,255,404,309.78/192,891.09 - Step 6: Final answer
x = 172,405.08
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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.