Finding the Fourth Proportional to 294,859.75, 406,906.73 and 160,723.75
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Solution
The fourth proportional to 294,859.75, 406,906.73 and 160,723.75 is: 221,798.92
Step by Step Solution
- Step 1: Write the proportion equation
294,859.75 : 406,906.73 = 160,723.75 : x - Step 2: Convert to fraction form
294,859.75/406,906.73 = 160,723.75/x - Step 3: Cross multiply
294,859.75x = 406,906.73 × 160,723.75 - Step 4: Simplify right side
294,859.75x = 65,399,575,545.84 - Step 5: Solve for x
x = 65,399,575,545.84/294,859.75 - Step 6: Final answer
x = 221,798.92
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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.