Finding the Fourth Proportional to 80,175.40, 110,634.09 and 44,364.49
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Solution
The fourth proportional to 80,175.40, 110,634.09 and 44,364.49 is: 61,218.59
Step by Step Solution
- Step 1: Write the proportion equation
80,175.40 : 110,634.09 = 44,364.49 : x - Step 2: Convert to fraction form
80,175.40/110,634.09 = 44,364.49/x - Step 3: Cross multiply
80,175.40x = 110,634.09 × 44,364.49 - Step 4: Simplify right side
80,175.40x = 4,908,224,979.46 - Step 5: Solve for x
x = 4,908,224,979.46/80,175.40 - Step 6: Final answer
x = 61,218.59
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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.