Finding the Fourth Proportional to 136,321.24, 204,514.29 and 42,827.02
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Solution
The fourth proportional to 136,321.24, 204,514.29 and 42,827.02 is: 64,250.72
Step by Step Solution
- Step 1: Write the proportion equation
136,321.24 : 204,514.29 = 42,827.02 : x - Step 2: Convert to fraction form
136,321.24/204,514.29 = 42,827.02/x - Step 3: Cross multiply
136,321.24x = 204,514.29 × 42,827.02 - Step 4: Simplify right side
136,321.24x = 8,758,737,588.12 - Step 5: Solve for x
x = 8,758,737,588.12/136,321.24 - Step 6: Final answer
x = 64,250.72
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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.