Finding the Fourth Proportional to 447,076.48, 669,715.08 and 206,852.08
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Solution
The fourth proportional to 447,076.48, 669,715.08 and 206,852.08 is: 309,861.88
Step by Step Solution
- Step 1: Write the proportion equation
447,076.48 : 669,715.08 = 206,852.08 : x - Step 2: Convert to fraction form
447,076.48/669,715.08 = 206,852.08/x - Step 3: Cross multiply
447,076.48x = 669,715.08 × 206,852.08 - Step 4: Simplify right side
447,076.48x = 138,531,957,305.37 - Step 5: Solve for x
x = 138,531,957,305.37/447,076.48 - Step 6: Final answer
x = 309,861.88
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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.