Finding the Fourth Proportional to 138,224.16, 207,310.32 and 49,474.08
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Solution
The fourth proportional to 138,224.16, 207,310.32 and 49,474.08 is: 74,201.84
Step by Step Solution
- Step 1: Write the proportion equation
138,224.16 : 207,310.32 = 49,474.08 : x - Step 2: Convert to fraction form
138,224.16/207,310.32 = 49,474.08/x - Step 3: Cross multiply
138,224.16x = 207,310.32 × 49,474.08 - Step 4: Simplify right side
138,224.16x = 10,256,487,356.51 - Step 5: Solve for x
x = 10,256,487,356.51/138,224.16 - Step 6: Final answer
x = 74,201.84
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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.