Finding the Fourth Proportional to 202,738.36, 304,031.92 and 69,580.84
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Solution
The fourth proportional to 202,738.36, 304,031.92 and 69,580.84 is: 104,345.31
Step by Step Solution
- Step 1: Write the proportion equation
202,738.36 : 304,031.92 = 69,580.84 : x - Step 2: Convert to fraction form
202,738.36/304,031.92 = 69,580.84/x - Step 3: Cross multiply
202,738.36x = 304,031.92 × 69,580.84 - Step 4: Simplify right side
202,738.36x = 21,154,796,380.41 - Step 5: Solve for x
x = 21,154,796,380.41/202,738.36 - Step 6: Final answer
x = 104,345.31
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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.