Finding the Fourth Proportional to 198,090.36, 297,136.08 and 48,331.08
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Solution
The fourth proportional to 198,090.36, 297,136.08 and 48,331.08 is: 72,496.75
Step by Step Solution
- Step 1: Write the proportion equation
198,090.36 : 297,136.08 = 48,331.08 : x - Step 2: Convert to fraction form
198,090.36/297,136.08 = 48,331.08/x - Step 3: Cross multiply
198,090.36x = 297,136.08 × 48,331.08 - Step 4: Simplify right side
198,090.36x = 14,360,907,653.37 - Step 5: Solve for x
x = 14,360,907,653.37/198,090.36 - Step 6: Final answer
x = 72,496.75
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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.