Finding the Fourth Proportional to 235,401.82, 324,860.88 and 127,979.08
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Solution
The fourth proportional to 235,401.82, 324,860.88 and 127,979.08 is: 176,614.59
Step by Step Solution
- Step 1: Write the proportion equation
235,401.82 : 324,860.88 = 127,979.08 : x - Step 2: Convert to fraction form
235,401.82/324,860.88 = 127,979.08/x - Step 3: Cross multiply
235,401.82x = 324,860.88 × 127,979.08 - Step 4: Simplify right side
235,401.82x = 41,575,396,550.39 - Step 5: Solve for x
x = 41,575,396,550.39/235,401.82 - Step 6: Final answer
x = 176,614.59
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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.