Finding the Fourth Proportional to 126,455.95, 189,696.69 and 41,063.23
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Solution
The fourth proportional to 126,455.95, 189,696.69 and 41,063.23 is: 61,598.99
Step by Step Solution
- Step 1: Write the proportion equation
126,455.95 : 189,696.69 = 41,063.23 : x - Step 2: Convert to fraction form
126,455.95/189,696.69 = 41,063.23/x - Step 3: Cross multiply
126,455.95x = 189,696.69 × 41,063.23 - Step 4: Simplify right side
126,455.95x = 7,789,558,606.39 - Step 5: Solve for x
x = 7,789,558,606.39/126,455.95 - Step 6: Final answer
x = 61,598.99
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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.