Finding the Fourth Proportional to 204,085.80, 306,128.70 and 173,905.20
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Solution
The fourth proportional to 204,085.80, 306,128.70 and 173,905.20 is: 260,857.80
Step by Step Solution
- Step 1: Write the proportion equation
204,085.80 : 306,128.70 = 173,905.20 : x - Step 2: Convert to fraction form
204,085.80/306,128.70 = 173,905.20/x - Step 3: Cross multiply
204,085.80x = 306,128.70 × 173,905.20 - Step 4: Simplify right side
204,085.80x = 53,237,372,799.24 - Step 5: Solve for x
x = 53,237,372,799.24/204,085.80 - Step 6: Final answer
x = 260,857.80
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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.