Finding the Fourth Proportional to 207,218.06, 285,934.02 and 116,570.96
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Solution
The fourth proportional to 207,218.06, 285,934.02 and 116,570.96 is: 160,852.79
Step by Step Solution
- Step 1: Write the proportion equation
207,218.06 : 285,934.02 = 116,570.96 : x - Step 2: Convert to fraction form
207,218.06/285,934.02 = 116,570.96/x - Step 3: Cross multiply
207,218.06x = 285,934.02 × 116,570.96 - Step 4: Simplify right side
207,218.06x = 33,331,603,208.06 - Step 5: Solve for x
x = 33,331,603,208.06/207,218.06 - Step 6: Final answer
x = 160,852.79
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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.