Finding the Fourth Proportional to 111,233.97, 153,502.09 and 60,245.53
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Solution
The fourth proportional to 111,233.97, 153,502.09 and 60,245.53 is: 83,138.40
Step by Step Solution
- Step 1: Write the proportion equation
111,233.97 : 153,502.09 = 60,245.53 : x - Step 2: Convert to fraction form
111,233.97/153,502.09 = 60,245.53/x - Step 3: Cross multiply
111,233.97x = 153,502.09 × 60,245.53 - Step 4: Simplify right side
111,233.97x = 9,247,814,768.16 - Step 5: Solve for x
x = 9,247,814,768.16/111,233.97 - Step 6: Final answer
x = 83,138.40
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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.