Finding the Fourth Proportional to 357,067.10, 492,736.11 and 195,918.14
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Solution
The fourth proportional to 357,067.10, 492,736.11 and 195,918.14 is: 270,357.99
Step by Step Solution
- Step 1: Write the proportion equation
357,067.10 : 492,736.11 = 195,918.14 : x - Step 2: Convert to fraction form
357,067.10/492,736.11 = 195,918.14/x - Step 3: Cross multiply
357,067.10x = 492,736.11 × 195,918.14 - Step 4: Simplify right side
357,067.10x = 96,535,942,182.04 - Step 5: Solve for x
x = 96,535,942,182.04/357,067.10 - Step 6: Final answer
x = 270,357.99
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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.