Finding the Fourth Proportional to 202,310.40, 303,465.60 and 97,075.20
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Solution
The fourth proportional to 202,310.40, 303,465.60 and 97,075.20 is: 145,612.80
Step by Step Solution
- Step 1: Write the proportion equation
202,310.40 : 303,465.60 = 97,075.20 : x - Step 2: Convert to fraction form
202,310.40/303,465.60 = 97,075.20/x - Step 3: Cross multiply
202,310.40x = 303,465.60 × 97,075.20 - Step 4: Simplify right side
202,310.40x = 29,458,983,813.12 - Step 5: Solve for x
x = 29,458,983,813.12/202,310.40 - Step 6: Final answer
x = 145,612.80
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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.