Finding the Fourth Proportional to 438,755.94, 657,896.07 and 201,887.44
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Solution
The fourth proportional to 438,755.94, 657,896.07 and 201,887.44 is: 302,721.72
Step by Step Solution
- Step 1: Write the proportion equation
438,755.94 : 657,896.07 = 201,887.44 : x - Step 2: Convert to fraction form
438,755.94/657,896.07 = 201,887.44/x - Step 3: Cross multiply
438,755.94x = 657,896.07 × 201,887.44 - Step 4: Simplify right side
438,755.94x = 132,820,952,470.70 - Step 5: Solve for x
x = 132,820,952,470.70/438,755.94 - Step 6: Final answer
x = 302,721.72
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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.