Finding the Fourth Proportional to 202,339.40, 303,509.10 and 149,195.30
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Solution
The fourth proportional to 202,339.40, 303,509.10 and 149,195.30 is: 223,792.95
Step by Step Solution
- Step 1: Write the proportion equation
202,339.40 : 303,509.10 = 149,195.30 : x - Step 2: Convert to fraction form
202,339.40/303,509.10 = 149,195.30/x - Step 3: Cross multiply
202,339.40x = 303,509.10 × 149,195.30 - Step 4: Simplify right side
202,339.40x = 45,282,131,227.23 - Step 5: Solve for x
x = 45,282,131,227.23/202,339.40 - Step 6: Final answer
x = 223,792.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.