Finding the Fourth Proportional to 165,535.20, 248,302.80 and 130,105.80
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Solution
The fourth proportional to 165,535.20, 248,302.80 and 130,105.80 is: 195,158.70
Step by Step Solution
- Step 1: Write the proportion equation
165,535.20 : 248,302.80 = 130,105.80 : x - Step 2: Convert to fraction form
165,535.20/248,302.80 = 130,105.80/x - Step 3: Cross multiply
165,535.20x = 248,302.80 × 130,105.80 - Step 4: Simplify right side
165,535.20x = 32,305,634,436.24 - Step 5: Solve for x
x = 32,305,634,436.24/165,535.20 - Step 6: Final answer
x = 195,158.70
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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.