Finding the Fourth Proportional to 202,356.40, 303,534.60 and 97,121.20
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Solution
The fourth proportional to 202,356.40, 303,534.60 and 97,121.20 is: 145,681.80
Step by Step Solution
- Step 1: Write the proportion equation
202,356.40 : 303,534.60 = 97,121.20 : x - Step 2: Convert to fraction form
202,356.40/303,534.60 = 97,121.20/x - Step 3: Cross multiply
202,356.40x = 303,534.60 × 97,121.20 - Step 4: Simplify right side
202,356.40x = 29,479,644,593.52 - Step 5: Solve for x
x = 29,479,644,593.52/202,356.40 - Step 6: Final answer
x = 145,681.80
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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.