Finding the Fourth Proportional to 202,446.70, 303,919.65 and 127,566.70
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Solution
The fourth proportional to 202,446.70, 303,919.65 and 127,566.70 is: 191,507.33
Step by Step Solution
- Step 1: Write the proportion equation
202,446.70 : 303,919.65 = 127,566.70 : x - Step 2: Convert to fraction form
202,446.70/303,919.65 = 127,566.70/x - Step 3: Cross multiply
202,446.70x = 303,919.65 × 127,566.70 - Step 4: Simplify right side
202,446.70x = 38,770,026,815.66 - Step 5: Solve for x
x = 38,770,026,815.66/202,446.70 - Step 6: Final answer
x = 191,507.33
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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.