Finding the Fourth Proportional to 355,498.26, 490,617.99 and 202,583.22
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Solution
The fourth proportional to 355,498.26, 490,617.99 and 202,583.22 is: 279,582.16
Step by Step Solution
- Step 1: Write the proportion equation
355,498.26 : 490,617.99 = 202,583.22 : x - Step 2: Convert to fraction form
355,498.26/490,617.99 = 202,583.22/x - Step 3: Cross multiply
355,498.26x = 490,617.99 × 202,583.22 - Step 4: Simplify right side
355,498.26x = 99,390,972,204.13 - Step 5: Solve for x
x = 99,390,972,204.13/355,498.26 - Step 6: Final answer
x = 279,582.16
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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.