Finding the Fourth Proportional to 204,395.28, 306,481.74 and 71,239.80
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Solution
The fourth proportional to 204,395.28, 306,481.74 and 71,239.80 is: 106,820.95
Step by Step Solution
- Step 1: Write the proportion equation
204,395.28 : 306,481.74 = 71,239.80 : x - Step 2: Convert to fraction form
204,395.28/306,481.74 = 71,239.80/x - Step 3: Cross multiply
204,395.28x = 306,481.74 × 71,239.80 - Step 4: Simplify right side
204,395.28x = 21,833,697,861.25 - Step 5: Solve for x
x = 21,833,697,861.25/204,395.28 - Step 6: Final answer
x = 106,820.95
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.