Finding the Fourth Proportional to 204,342.75, 306,515.44 and 71,225.53
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Solution
The fourth proportional to 204,342.75, 306,515.44 and 71,225.53 is: 106,838.75
Step by Step Solution
- Step 1: Write the proportion equation
204,342.75 : 306,515.44 = 71,225.53 : x - Step 2: Convert to fraction form
204,342.75/306,515.44 = 71,225.53/x - Step 3: Cross multiply
204,342.75x = 306,515.44 × 71,225.53 - Step 4: Simplify right side
204,342.75x = 21,831,723,989.93 - Step 5: Solve for x
x = 21,831,723,989.93/204,342.75 - Step 6: Final answer
x = 106,838.75
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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.