Finding the Fourth Proportional to 235,727.80, 325,304.37 and 128,298.62
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Solution
The fourth proportional to 235,727.80, 325,304.37 and 128,298.62 is: 177,052.09
Step by Step Solution
- Step 1: Write the proportion equation
235,727.80 : 325,304.37 = 128,298.62 : x - Step 2: Convert to fraction form
235,727.80/325,304.37 = 128,298.62/x - Step 3: Cross multiply
235,727.80x = 325,304.37 × 128,298.62 - Step 4: Simplify right side
235,727.80x = 41,736,100,734.39 - Step 5: Solve for x
x = 41,736,100,734.39/235,727.80 - Step 6: Final answer
x = 177,052.09
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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.