Finding the Fourth Proportional to 204,372.19, 306,115.21 and 98,970.13
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Solution
The fourth proportional to 204,372.19, 306,115.21 and 98,970.13 is: 148,240.62
Step by Step Solution
- Step 1: Write the proportion equation
204,372.19 : 306,115.21 = 98,970.13 : x - Step 2: Convert to fraction form
204,372.19/306,115.21 = 98,970.13/x - Step 3: Cross multiply
204,372.19x = 306,115.21 × 98,970.13 - Step 4: Simplify right side
204,372.19x = 30,296,260,103.25 - Step 5: Solve for x
x = 30,296,260,103.25/204,372.19 - Step 6: Final answer
x = 148,240.62
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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.