Finding the Fourth Proportional to 201,229.80, 301,844.70 and 107,917.80
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Solution
The fourth proportional to 201,229.80, 301,844.70 and 107,917.80 is: 161,876.70
Step by Step Solution
- Step 1: Write the proportion equation
201,229.80 : 301,844.70 = 107,917.80 : x - Step 2: Convert to fraction form
201,229.80/301,844.70 = 107,917.80/x - Step 3: Cross multiply
201,229.80x = 301,844.70 × 107,917.80 - Step 4: Simplify right side
201,229.80x = 32,574,415,965.66 - Step 5: Solve for x
x = 32,574,415,965.66/201,229.80 - Step 6: Final answer
x = 161,876.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.