Finding the Fourth Proportional to 236,368.80, 354,553.20 and 161,719.20
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Solution
The fourth proportional to 236,368.80, 354,553.20 and 161,719.20 is: 242,578.80
Step by Step Solution
- Step 1: Write the proportion equation
236,368.80 : 354,553.20 = 161,719.20 : x - Step 2: Convert to fraction form
236,368.80/354,553.20 = 161,719.20/x - Step 3: Cross multiply
236,368.80x = 354,553.20 × 161,719.20 - Step 4: Simplify right side
236,368.80x = 57,338,059,861.44 - Step 5: Solve for x
x = 57,338,059,861.44/236,368.80 - Step 6: Final answer
x = 242,578.80
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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.