Finding the Fourth Proportional to 122,391.36, 183,439.42 and 63,194.74
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Solution
The fourth proportional to 122,391.36, 183,439.42 and 63,194.74 is: 94,715.88
Step by Step Solution
- Step 1: Write the proportion equation
122,391.36 : 183,439.42 = 63,194.74 : x - Step 2: Convert to fraction form
122,391.36/183,439.42 = 63,194.74/x - Step 3: Cross multiply
122,391.36x = 183,439.42 × 63,194.74 - Step 4: Simplify right side
122,391.36x = 11,592,405,836.07 - Step 5: Solve for x
x = 11,592,405,836.07/122,391.36 - Step 6: Final answer
x = 94,715.88
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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.