Finding the Fourth Proportional to 204,141.34, 306,207.09 and 143,921.08
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Solution
The fourth proportional to 204,141.34, 306,207.09 and 143,921.08 is: 215,878.15
Step by Step Solution
- Step 1: Write the proportion equation
204,141.34 : 306,207.09 = 143,921.08 : x - Step 2: Convert to fraction form
204,141.34/306,207.09 = 143,921.08/x - Step 3: Cross multiply
204,141.34x = 306,207.09 × 143,921.08 - Step 4: Simplify right side
204,141.34x = 44,069,655,096.46 - Step 5: Solve for x
x = 44,069,655,096.46/204,141.34 - Step 6: Final answer
x = 215,878.15
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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.