Finding the Fourth Proportional to 196,929.20, 295,393.80 and 97,137.20
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Solution
The fourth proportional to 196,929.20, 295,393.80 and 97,137.20 is: 145,705.80
Step by Step Solution
- Step 1: Write the proportion equation
196,929.20 : 295,393.80 = 97,137.20 : x - Step 2: Convert to fraction form
196,929.20/295,393.80 = 97,137.20/x - Step 3: Cross multiply
196,929.20x = 295,393.80 × 97,137.20 - Step 4: Simplify right side
196,929.20x = 28,693,726,629.36 - Step 5: Solve for x
x = 28,693,726,629.36/196,929.20 - Step 6: Final answer
x = 145,705.80
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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.