Finding the Fourth Proportional to 144,427.19, 199,305.79 and 79,894.75
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Solution
The fourth proportional to 144,427.19, 199,305.79 and 79,894.75 is: 110,252.69
Step by Step Solution
- Step 1: Write the proportion equation
144,427.19 : 199,305.79 = 79,894.75 : x - Step 2: Convert to fraction form
144,427.19/199,305.79 = 79,894.75/x - Step 3: Cross multiply
144,427.19x = 199,305.79 × 79,894.75 - Step 4: Simplify right side
144,427.19x = 15,923,486,265.60 - Step 5: Solve for x
x = 15,923,486,265.60/144,427.19 - Step 6: Final answer
x = 110,252.69
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1.5x scale
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.