Finding the Fourth Proportional to 204,861.80, 307,292.70 and 163,389.80
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Solution
The fourth proportional to 204,861.80, 307,292.70 and 163,389.80 is: 245,084.70
Step by Step Solution
- Step 1: Write the proportion equation
204,861.80 : 307,292.70 = 163,389.80 : x - Step 2: Convert to fraction form
204,861.80/307,292.70 = 163,389.80/x - Step 3: Cross multiply
204,861.80x = 307,292.70 × 163,389.80 - Step 4: Simplify right side
204,861.80x = 50,208,492,794.46 - Step 5: Solve for x
x = 50,208,492,794.46/204,861.80 - Step 6: Final answer
x = 245,084.70
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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.