Finding the Fourth Proportional to 129,265.50, 193,896.80 and 50,435.09
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Solution
The fourth proportional to 129,265.50, 193,896.80 and 50,435.09 is: 75,652.07
Step by Step Solution
- Step 1: Write the proportion equation
129,265.50 : 193,896.80 = 50,435.09 : x - Step 2: Convert to fraction form
129,265.50/193,896.80 = 50,435.09/x - Step 3: Cross multiply
129,265.50x = 193,896.80 × 50,435.09 - Step 4: Simplify right side
129,265.50x = 9,779,202,558.71 - Step 5: Solve for x
x = 9,779,202,558.71/129,265.50 - Step 6: Final answer
x = 75,652.07
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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.