Finding the Fourth Proportional to 159,855.48, 239,620.97 and 136,524.48
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Solution
The fourth proportional to 159,855.48, 239,620.97 and 136,524.48 is: 204,648.15
Step by Step Solution
- Step 1: Write the proportion equation
159,855.48 : 239,620.97 = 136,524.48 : x - Step 2: Convert to fraction form
159,855.48/239,620.97 = 136,524.48/x - Step 3: Cross multiply
159,855.48x = 239,620.97 × 136,524.48 - Step 4: Simplify right side
159,855.48x = 32,714,128,756.47 - Step 5: Solve for x
x = 32,714,128,756.47/159,855.48 - Step 6: Final answer
x = 204,648.15
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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.