Finding the Fourth Proportional to 103,936.24, 155,894.64 and 29,063.08
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Solution
The fourth proportional to 103,936.24, 155,894.64 and 29,063.08 is: 43,591.90
Step by Step Solution
- Step 1: Write the proportion equation
103,936.24 : 155,894.64 = 29,063.08 : x - Step 2: Convert to fraction form
103,936.24/155,894.64 = 29,063.08/x - Step 3: Cross multiply
103,936.24x = 155,894.64 × 29,063.08 - Step 4: Simplify right side
103,936.24x = 4,530,778,393.89 - Step 5: Solve for x
x = 4,530,778,393.89/103,936.24 - Step 6: Final answer
x = 43,591.90
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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.