Finding the Fourth Proportional to 122,292.96, 183,505.62 and 51,221.82
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Solution
The fourth proportional to 122,292.96, 183,505.62 and 51,221.82 is: 76,860.45
Step by Step Solution
- Step 1: Write the proportion equation
122,292.96 : 183,505.62 = 51,221.82 : x - Step 2: Convert to fraction form
122,292.96/183,505.62 = 51,221.82/x - Step 3: Cross multiply
122,292.96x = 183,505.62 × 51,221.82 - Step 4: Simplify right side
122,292.96x = 9,399,491,836.63 - Step 5: Solve for x
x = 9,399,491,836.63/122,292.96 - Step 6: Final answer
x = 76,860.45
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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.