Finding the Fourth Proportional to 159,664.21, 239,514.85 and 53,057.68
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Solution
The fourth proportional to 159,664.21, 239,514.85 and 53,057.68 is: 79,592.68
Step by Step Solution
- Step 1: Write the proportion equation
159,664.21 : 239,514.85 = 53,057.68 : x - Step 2: Convert to fraction form
159,664.21/239,514.85 = 53,057.68/x - Step 3: Cross multiply
159,664.21x = 239,514.85 × 53,057.68 - Step 4: Simplify right side
159,664.21x = 12,708,102,932.13 - Step 5: Solve for x
x = 12,708,102,932.13/159,664.21 - Step 6: Final answer
x = 79,592.68
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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.