Finding the Fourth Proportional to 201,729.80, 290,864.16 and 201,729.80
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Solution
The fourth proportional to 201,729.80, 290,864.16 and 201,729.80 is: 290,864.16
Step by Step Solution
- Step 1: Write the proportion equation
201,729.80 : 290,864.16 = 201,729.80 : x - Step 2: Convert to fraction form
201,729.80/290,864.16 = 201,729.80/x - Step 3: Cross multiply
201,729.80x = 290,864.16 × 201,729.80 - Step 4: Simplify right side
201,729.80x = 58,675,968,823.97 - Step 5: Solve for x
x = 58,675,968,823.97/201,729.80 - Step 6: Final answer
x = 290,864.16
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.