Finding the Fourth Proportional to 201,991.80, 283,313.40 and 201,991.80
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Solution
The fourth proportional to 201,991.80, 283,313.40 and 201,991.80 is: 283,313.40
Step by Step Solution
- Step 1: Write the proportion equation
201,991.80 : 283,313.40 = 201,991.80 : x - Step 2: Convert to fraction form
201,991.80/283,313.40 = 201,991.80/x - Step 3: Cross multiply
201,991.80x = 283,313.40 × 201,991.80 - Step 4: Simplify right side
201,991.80x = 57,226,983,630.12 - Step 5: Solve for x
x = 57,226,983,630.12/201,991.80 - Step 6: Final answer
x = 283,313.40
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.