Finding the Fourth Proportional to 202,070.40, 303,076.80 and 68,956.80
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Solution
The fourth proportional to 202,070.40, 303,076.80 and 68,956.80 is: 103,425.37
Step by Step Solution
- Step 1: Write the proportion equation
202,070.40 : 303,076.80 = 68,956.80 : x - Step 2: Convert to fraction form
202,070.40/303,076.80 = 68,956.80/x - Step 3: Cross multiply
202,070.40x = 303,076.80 × 68,956.80 - Step 4: Simplify right side
202,070.40x = 20,899,206,282.24 - Step 5: Solve for x
x = 20,899,206,282.24/202,070.40 - Step 6: Final answer
x = 103,425.37
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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.