Finding the Fourth Proportional to 269,684.18, 404,774.75 and 136,658.69
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Solution
The fourth proportional to 269,684.18, 404,774.75 and 136,658.69 is: 205,113.95
Step by Step Solution
- Step 1: Write the proportion equation
269,684.18 : 404,774.75 = 136,658.69 : x - Step 2: Convert to fraction form
269,684.18/404,774.75 = 136,658.69/x - Step 3: Cross multiply
269,684.18x = 404,774.75 × 136,658.69 - Step 4: Simplify right side
269,684.18x = 55,315,987,408.72 - Step 5: Solve for x
x = 55,315,987,408.72/269,684.18 - Step 6: Final answer
x = 205,113.95
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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.