Finding the Fourth Proportional to 448,145.72, 618,433.12 and 244,198.07
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Solution
The fourth proportional to 448,145.72, 618,433.12 and 244,198.07 is: 336,988.99
Step by Step Solution
- Step 1: Write the proportion equation
448,145.72 : 618,433.12 = 244,198.07 : x - Step 2: Convert to fraction form
448,145.72/618,433.12 = 244,198.07/x - Step 3: Cross multiply
448,145.72x = 618,433.12 × 244,198.07 - Step 4: Simplify right side
448,145.72x = 151,020,174,328.08 - Step 5: Solve for x
x = 151,020,174,328.08/448,145.72 - Step 6: Final answer
x = 336,988.99
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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.