Finding the Fourth Proportional to 448,896.15, 619,474.99 and 244,945.28
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Solution
The fourth proportional to 448,896.15, 619,474.99 and 244,945.28 is: 338,023.56
Step by Step Solution
- Step 1: Write the proportion equation
448,896.15 : 619,474.99 = 244,945.28 : x - Step 2: Convert to fraction form
448,896.15/619,474.99 = 244,945.28/x - Step 3: Cross multiply
448,896.15x = 619,474.99 × 244,945.28 - Step 4: Simplify right side
448,896.15x = 151,737,476,274.14 - Step 5: Solve for x
x = 151,737,476,274.14/448,896.15 - Step 6: Final answer
x = 338,023.56
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.