Finding the Fourth Proportional to 202,993.20, 304,562.70 and 84,700.80
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Solution
The fourth proportional to 202,993.20, 304,562.70 and 84,700.80 is: 127,081.62
Step by Step Solution
- Step 1: Write the proportion equation
202,993.20 : 304,562.70 = 84,700.80 : x - Step 2: Convert to fraction form
202,993.20/304,562.70 = 84,700.80/x - Step 3: Cross multiply
202,993.20x = 304,562.70 × 84,700.80 - Step 4: Simplify right side
202,993.20x = 25,796,704,340.16 - Step 5: Solve for x
x = 25,796,704,340.16/202,993.20 - Step 6: Final answer
x = 127,081.62
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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.