Finding the Fourth Proportional to 204,457.25, 306,962.44 and 141,119.91
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Solution
The fourth proportional to 204,457.25, 306,962.44 and 141,119.91 is: 211,870.75
Step by Step Solution
- Step 1: Write the proportion equation
204,457.25 : 306,962.44 = 141,119.91 : x - Step 2: Convert to fraction form
204,457.25/306,962.44 = 141,119.91/x - Step 3: Cross multiply
204,457.25x = 306,962.44 × 141,119.91 - Step 4: Simplify right side
204,457.25x = 43,318,511,906.18 - Step 5: Solve for x
x = 43,318,511,906.18/204,457.25 - Step 6: Final answer
x = 211,870.75
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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.