Finding the Fourth Proportional to 207,524.72, 286,122.12 and 135,791.12
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Solution
The fourth proportional to 207,524.72, 286,122.12 and 135,791.12 is: 187,220.31
Step by Step Solution
- Step 1: Write the proportion equation
207,524.72 : 286,122.12 = 135,791.12 : x - Step 2: Convert to fraction form
207,524.72/286,122.12 = 135,791.12/x - Step 3: Cross multiply
207,524.72x = 286,122.12 × 135,791.12 - Step 4: Simplify right side
207,524.72x = 38,852,843,131.57 - Step 5: Solve for x
x = 38,852,843,131.57/207,524.72 - Step 6: Final answer
x = 187,220.31
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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.