Finding the Fourth Proportional to 465,486.93, 642,372.21 and 261,537.84
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Solution
The fourth proportional to 465,486.93, 642,372.21 and 261,537.84 is: 360,922.36
Step by Step Solution
- Step 1: Write the proportion equation
465,486.93 : 642,372.21 = 261,537.84 : x - Step 2: Convert to fraction form
465,486.93/642,372.21 = 261,537.84/x - Step 3: Cross multiply
465,486.93x = 642,372.21 × 261,537.84 - Step 4: Simplify right side
465,486.93x = 168,004,640,279.43 - Step 5: Solve for x
x = 168,004,640,279.43/465,486.93 - Step 6: Final answer
x = 360,922.36
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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.