Finding the Fourth Proportional to 162,861.80, 244,292.70 and 135,213.80
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Solution
The fourth proportional to 162,861.80, 244,292.70 and 135,213.80 is: 202,820.70
Step by Step Solution
- Step 1: Write the proportion equation
162,861.80 : 244,292.70 = 135,213.80 : x - Step 2: Convert to fraction form
162,861.80/244,292.70 = 135,213.80/x - Step 3: Cross multiply
162,861.80x = 244,292.70 × 135,213.80 - Step 4: Simplify right side
162,861.80x = 33,031,744,279.26 - Step 5: Solve for x
x = 33,031,744,279.26/162,861.80 - Step 6: Final answer
x = 202,820.70
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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.