Finding the Fourth Proportional to 352,718.73, 486,738.05 and 209,475.09
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Solution
The fourth proportional to 352,718.73, 486,738.05 and 209,475.09 is: 289,067.43
Step by Step Solution
- Step 1: Write the proportion equation
352,718.73 : 486,738.05 = 209,475.09 : x - Step 2: Convert to fraction form
352,718.73/486,738.05 = 209,475.09/x - Step 3: Cross multiply
352,718.73x = 486,738.05 × 209,475.09 - Step 4: Simplify right side
352,718.73x = 101,959,495,782.80 - Step 5: Solve for x
x = 101,959,495,782.80/352,718.73 - Step 6: Final answer
x = 289,067.43
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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.