Finding the Fourth Proportional to 128,323.08, 192,435.30 and 44,067.48
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Solution
The fourth proportional to 128,323.08, 192,435.30 and 44,067.48 is: 66,084.28
Step by Step Solution
- Step 1: Write the proportion equation
128,323.08 : 192,435.30 = 44,067.48 : x - Step 2: Convert to fraction form
128,323.08/192,435.30 = 44,067.48/x - Step 3: Cross multiply
128,323.08x = 192,435.30 × 44,067.48 - Step 4: Simplify right side
128,323.08x = 8,480,138,734.04 - Step 5: Solve for x
x = 8,480,138,734.04/128,323.08 - Step 6: Final answer
x = 66,084.28
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.