Finding the Fourth Proportional to 129,845.36, 194,768.04 and 118,336.88
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Solution
The fourth proportional to 129,845.36, 194,768.04 and 118,336.88 is: 177,505.32
Step by Step Solution
- Step 1: Write the proportion equation
129,845.36 : 194,768.04 = 118,336.88 : x - Step 2: Convert to fraction form
129,845.36/194,768.04 = 118,336.88/x - Step 3: Cross multiply
129,845.36x = 194,768.04 × 118,336.88 - Step 4: Simplify right side
129,845.36x = 23,048,242,177.32 - Step 5: Solve for x
x = 23,048,242,177.32/129,845.36 - Step 6: Final answer
x = 177,505.32
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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.