Finding the Fourth Proportional to 235,995.92, 325,673.08 and 128,565.72
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Solution
The fourth proportional to 235,995.92, 325,673.08 and 128,565.72 is: 177,419.99
Step by Step Solution
- Step 1: Write the proportion equation
235,995.92 : 325,673.08 = 128,565.72 : x - Step 2: Convert to fraction form
235,995.92/325,673.08 = 128,565.72/x - Step 3: Cross multiply
235,995.92x = 325,673.08 × 128,565.72 - Step 4: Simplify right side
235,995.92x = 41,870,394,014.82 - Step 5: Solve for x
x = 41,870,394,014.82/235,995.92 - Step 6: Final answer
x = 177,419.99
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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.