Finding the Fourth Proportional to 169,408.81, 233,791.49 and 101,412.62
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Solution
The fourth proportional to 169,408.81, 233,791.49 and 101,412.62 is: 139,953.80
Step by Step Solution
- Step 1: Write the proportion equation
169,408.81 : 233,791.49 = 101,412.62 : x - Step 2: Convert to fraction form
169,408.81/233,791.49 = 101,412.62/x - Step 3: Cross multiply
169,408.81x = 233,791.49 × 101,412.62 - Step 4: Simplify right side
169,408.81x = 23,709,407,534.60 - Step 5: Solve for x
x = 23,709,407,534.60/169,408.81 - Step 6: Final answer
x = 139,953.80
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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.