Finding the Fourth Proportional to 122,244.52, 183,721.02 and 80,953.96
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Solution
The fourth proportional to 122,244.52, 183,721.02 and 80,953.96 is: 121,665.53
Step by Step Solution
- Step 1: Write the proportion equation
122,244.52 : 183,721.02 = 80,953.96 : x - Step 2: Convert to fraction form
122,244.52/183,721.02 = 80,953.96/x - Step 3: Cross multiply
122,244.52x = 183,721.02 × 80,953.96 - Step 4: Simplify right side
122,244.52x = 14,872,944,104.24 - Step 5: Solve for x
x = 14,872,944,104.24/122,244.52 - Step 6: Final answer
x = 121,665.53
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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.