Finding the Fourth Proportional to 203,666.13, 305,514.18 and 53,905.41
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Solution
The fourth proportional to 203,666.13, 305,514.18 and 53,905.41 is: 80,862.08
Step by Step Solution
- Step 1: Write the proportion equation
203,666.13 : 305,514.18 = 53,905.41 : x - Step 2: Convert to fraction form
203,666.13/305,514.18 = 53,905.41/x - Step 3: Cross multiply
203,666.13x = 305,514.18 × 53,905.41 - Step 4: Simplify right side
203,666.13x = 16,468,867,133.71 - Step 5: Solve for x
x = 16,468,867,133.71/203,666.13 - Step 6: Final answer
x = 80,862.08
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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.