Finding the Fourth Proportional to 306,857.40, 460,286.10 and 96,559.80
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Solution
The fourth proportional to 306,857.40, 460,286.10 and 96,559.80 is: 144,839.70
Step by Step Solution
- Step 1: Write the proportion equation
306,857.40 : 460,286.10 = 96,559.80 : x - Step 2: Convert to fraction form
306,857.40/460,286.10 = 96,559.80/x - Step 3: Cross multiply
306,857.40x = 460,286.10 × 96,559.80 - Step 4: Simplify right side
306,857.40x = 44,445,133,758.78 - Step 5: Solve for x
x = 44,445,133,758.78/306,857.40 - Step 6: Final answer
x = 144,839.70
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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.