Finding the Fourth Proportional to 122,635.52, 183,972.48 and 39,537.92
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Solution
The fourth proportional to 122,635.52, 183,972.48 and 39,537.92 is: 59,313.07
Step by Step Solution
- Step 1: Write the proportion equation
122,635.52 : 183,972.48 = 39,537.92 : x - Step 2: Convert to fraction form
122,635.52/183,972.48 = 39,537.92/x - Step 3: Cross multiply
122,635.52x = 183,972.48 × 39,537.92 - Step 4: Simplify right side
122,635.52x = 7,273,889,196.44 - Step 5: Solve for x
x = 7,273,889,196.44/122,635.52 - Step 6: Final answer
x = 59,313.07
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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.