Finding the Fourth Proportional to 202,992.70, 304,489.05 and 192,106.30
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Solution
The fourth proportional to 202,992.70, 304,489.05 and 192,106.30 is: 288,159.45
Step by Step Solution
- Step 1: Write the proportion equation
202,992.70 : 304,489.05 = 192,106.30 : x - Step 2: Convert to fraction form
202,992.70/304,489.05 = 192,106.30/x - Step 3: Cross multiply
202,992.70x = 304,489.05 × 192,106.30 - Step 4: Simplify right side
202,992.70x = 58,494,264,786.02 - Step 5: Solve for x
x = 58,494,264,786.02/202,992.70 - Step 6: Final answer
x = 288,159.45
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1.5x scale
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.