Finding the Fourth Proportional to 265,021.80, 397,532.70 and 68,029.80
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Solution
The fourth proportional to 265,021.80, 397,532.70 and 68,029.80 is: 102,044.70
Step by Step Solution
- Step 1: Write the proportion equation
265,021.80 : 397,532.70 = 68,029.80 : x - Step 2: Convert to fraction form
265,021.80/397,532.70 = 68,029.80/x - Step 3: Cross multiply
265,021.80x = 397,532.70 × 68,029.80 - Step 4: Simplify right side
265,021.80x = 27,044,070,074.46 - Step 5: Solve for x
x = 27,044,070,074.46/265,021.80 - Step 6: Final answer
x = 102,044.70
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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.