Finding the Fourth Proportional to 122,691.09, 183,957.35 and 58,622.92
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Solution
The fourth proportional to 122,691.09, 183,957.35 and 58,622.92 is: 87,896.50
Step by Step Solution
- Step 1: Write the proportion equation
122,691.09 : 183,957.35 = 58,622.92 : x - Step 2: Convert to fraction form
122,691.09/183,957.35 = 58,622.92/x - Step 3: Cross multiply
122,691.09x = 183,957.35 × 58,622.92 - Step 4: Simplify right side
122,691.09x = 10,784,117,472.36 - Step 5: Solve for x
x = 10,784,117,472.36/122,691.09 - Step 6: Final answer
x = 87,896.50
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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.