Finding the Fourth Proportional to 320,297.67, 441,993.43 and 177,048.49
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Solution
The fourth proportional to 320,297.67, 441,993.43 and 177,048.49 is: 244,317.32
Step by Step Solution
- Step 1: Write the proportion equation
320,297.67 : 441,993.43 = 177,048.49 : x - Step 2: Convert to fraction form
320,297.67/441,993.43 = 177,048.49/x - Step 3: Cross multiply
320,297.67x = 441,993.43 × 177,048.49 - Step 4: Simplify right side
320,297.67x = 78,254,269,371.42 - Step 5: Solve for x
x = 78,254,269,371.42/320,297.67 - Step 6: Final answer
x = 244,317.32
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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.