Finding the Fourth Proportional to 296,973.38, 445,351.41 and 107,388.28
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Solution
The fourth proportional to 296,973.38, 445,351.41 and 107,388.28 is: 161,043.12
Step by Step Solution
- Step 1: Write the proportion equation
296,973.38 : 445,351.41 = 107,388.28 : x - Step 2: Convert to fraction form
296,973.38/445,351.41 = 107,388.28/x - Step 3: Cross multiply
296,973.38x = 445,351.41 × 107,388.28 - Step 4: Simplify right side
296,973.38x = 47,825,519,151.78 - Step 5: Solve for x
x = 47,825,519,151.78/296,973.38 - Step 6: Final answer
x = 161,043.12
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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.