Finding the Fourth Proportional to 253,899.49, 380,287.67 and 103,684.26
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Solution
The fourth proportional to 253,899.49, 380,287.67 and 103,684.26 is: 155,297.07
Step by Step Solution
- Step 1: Write the proportion equation
253,899.49 : 380,287.67 = 103,684.26 : x - Step 2: Convert to fraction form
253,899.49/380,287.67 = 103,684.26/x - Step 3: Cross multiply
253,899.49x = 380,287.67 × 103,684.26 - Step 4: Simplify right side
253,899.49x = 39,429,845,651.07 - Step 5: Solve for x
x = 39,429,845,651.07/253,899.49 - Step 6: Final answer
x = 155,297.07
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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.