Finding the Fourth Proportional to 201,730.80, 290,865.60 and 201,730.80
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Solution
The fourth proportional to 201,730.80, 290,865.60 and 201,730.80 is: 290,865.60
Step by Step Solution
- Step 1: Write the proportion equation
201,730.80 : 290,865.60 = 201,730.80 : x - Step 2: Convert to fraction form
201,730.80/290,865.60 = 201,730.80/x - Step 3: Cross multiply
201,730.80x = 290,865.60 × 201,730.80 - Step 4: Simplify right side
201,730.80x = 58,676,550,180.48 - Step 5: Solve for x
x = 58,676,550,180.48/201,730.80 - Step 6: Final answer
x = 290,865.60
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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.