Finding the Fourth Proportional to 253,241.77, 349,450.18 and 140,062.09
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Solution
The fourth proportional to 253,241.77, 349,450.18 and 140,062.09 is: 193,272.71
Step by Step Solution
- Step 1: Write the proportion equation
253,241.77 : 349,450.18 = 140,062.09 : x - Step 2: Convert to fraction form
253,241.77/349,450.18 = 140,062.09/x - Step 3: Cross multiply
253,241.77x = 349,450.18 × 140,062.09 - Step 4: Simplify right side
253,241.77x = 48,944,722,561.68 - Step 5: Solve for x
x = 48,944,722,561.68/253,241.77 - Step 6: Final answer
x = 193,272.71
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.