Finding the Fourth Proportional to 355,324.59, 490,435.05 and 202,452.99
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Solution
The fourth proportional to 355,324.59, 490,435.05 and 202,452.99 is: 279,434.76
Step by Step Solution
- Step 1: Write the proportion equation
355,324.59 : 490,435.05 = 202,452.99 : x - Step 2: Convert to fraction form
355,324.59/490,435.05 = 202,452.99/x - Step 3: Cross multiply
355,324.59x = 490,435.05 × 202,452.99 - Step 4: Simplify right side
355,324.59x = 99,290,041,193.37 - Step 5: Solve for x
x = 99,290,041,193.37/355,324.59 - Step 6: Final answer
x = 279,434.76
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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.