Finding the Fourth Proportional to 202,907.70, 303,705.45 and 143,858.70
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Solution
The fourth proportional to 202,907.70, 303,705.45 and 143,858.70 is: 215,322.88
Step by Step Solution
- Step 1: Write the proportion equation
202,907.70 : 303,705.45 = 143,858.70 : x - Step 2: Convert to fraction form
202,907.70/303,705.45 = 143,858.70/x - Step 3: Cross multiply
202,907.70x = 303,705.45 × 143,858.70 - Step 4: Simplify right side
202,907.70x = 43,690,671,219.92 - Step 5: Solve for x
x = 43,690,671,219.92/202,907.70 - Step 6: Final answer
x = 215,322.88
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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.