Finding the Fourth Proportional to 129,610.26, 194,396.93 and 40,852.23
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Solution
The fourth proportional to 129,610.26, 194,396.93 and 40,852.23 is: 61,272.52
Step by Step Solution
- Step 1: Write the proportion equation
129,610.26 : 194,396.93 = 40,852.23 : x - Step 2: Convert to fraction form
129,610.26/194,396.93 = 40,852.23/x - Step 3: Cross multiply
129,610.26x = 194,396.93 × 40,852.23 - Step 4: Simplify right side
129,610.26x = 7,941,547,315.60 - Step 5: Solve for x
x = 7,941,547,315.60/129,610.26 - Step 6: Final answer
x = 61,272.52
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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.