Finding the Fourth Proportional to 134,514.10, 185,615.72 and 82,822.99
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Solution
The fourth proportional to 134,514.10, 185,615.72 and 82,822.99 is: 114,287.27
Step by Step Solution
- Step 1: Write the proportion equation
134,514.10 : 185,615.72 = 82,822.99 : x - Step 2: Convert to fraction form
134,514.10/185,615.72 = 82,822.99/x - Step 3: Cross multiply
134,514.10x = 185,615.72 × 82,822.99 - Step 4: Simplify right side
134,514.10x = 15,373,248,921.40 - Step 5: Solve for x
x = 15,373,248,921.40/134,514.10 - Step 6: Final answer
x = 114,287.27
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.