Finding the Fourth Proportional to 236,616.36, 326,517.84 and 129,184.80
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Solution
The fourth proportional to 236,616.36, 326,517.84 and 129,184.80 is: 178,268.07
Step by Step Solution
- Step 1: Write the proportion equation
236,616.36 : 326,517.84 = 129,184.80 : x - Step 2: Convert to fraction form
236,616.36/326,517.84 = 129,184.80/x - Step 3: Cross multiply
236,616.36x = 326,517.84 × 129,184.80 - Step 4: Simplify right side
236,616.36x = 42,181,141,856.83 - Step 5: Solve for x
x = 42,181,141,856.83/236,616.36 - Step 6: Final answer
x = 178,268.07
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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.