Finding the Fourth Proportional to 216,004.10, 324,103.35 and 103,640.90
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Solution
The fourth proportional to 216,004.10, 324,103.35 and 103,640.90 is: 155,507.99
Step by Step Solution
- Step 1: Write the proportion equation
216,004.10 : 324,103.35 = 103,640.90 : x - Step 2: Convert to fraction form
216,004.10/324,103.35 = 103,640.90/x - Step 3: Cross multiply
216,004.10x = 324,103.35 × 103,640.90 - Step 4: Simplify right side
216,004.10x = 33,590,362,887.02 - Step 5: Solve for x
x = 33,590,362,887.02/216,004.10 - Step 6: Final answer
x = 155,507.99
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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.