Finding the Fourth Proportional to 208,107.24, 312,174.96 and 73,154.88
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Solution
The fourth proportional to 208,107.24, 312,174.96 and 73,154.88 is: 109,737.28
Step by Step Solution
- Step 1: Write the proportion equation
208,107.24 : 312,174.96 = 73,154.88 : x - Step 2: Convert to fraction form
208,107.24/312,174.96 = 73,154.88/x - Step 3: Cross multiply
208,107.24x = 312,174.96 × 73,154.88 - Step 4: Simplify right side
208,107.24x = 22,837,121,737.80 - Step 5: Solve for x
x = 22,837,121,737.80/208,107.24 - Step 6: Final answer
x = 109,737.28
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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.