Finding the Fourth Proportional to 202,470.80, 303,835.80 and 118,230.80
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Solution
The fourth proportional to 202,470.80, 303,835.80 and 118,230.80 is: 177,421.88
Step by Step Solution
- Step 1: Write the proportion equation
202,470.80 : 303,835.80 = 118,230.80 : x - Step 2: Convert to fraction form
202,470.80/303,835.80 = 118,230.80/x - Step 3: Cross multiply
202,470.80x = 303,835.80 × 118,230.80 - Step 4: Simplify right side
202,470.80x = 35,922,749,702.64 - Step 5: Solve for x
x = 35,922,749,702.64/202,470.80 - Step 6: Final answer
x = 177,421.88
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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.