Finding the Fourth Proportional to 201,967.70, 302,951.55 and 96,991.70
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Solution
The fourth proportional to 201,967.70, 302,951.55 and 96,991.70 is: 145,487.55
Step by Step Solution
- Step 1: Write the proportion equation
201,967.70 : 302,951.55 = 96,991.70 : x - Step 2: Convert to fraction form
201,967.70/302,951.55 = 96,991.70/x - Step 3: Cross multiply
201,967.70x = 302,951.55 × 96,991.70 - Step 4: Simplify right side
201,967.70x = 29,383,785,852.14 - Step 5: Solve for x
x = 29,383,785,852.14/201,967.70 - Step 6: Final answer
x = 145,487.55
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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.