Finding the Fourth Proportional to 264,872.64, 397,300.16 and 115,113.08
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Solution
The fourth proportional to 264,872.64, 397,300.16 and 115,113.08 is: 172,665.80
Step by Step Solution
- Step 1: Write the proportion equation
264,872.64 : 397,300.16 = 115,113.08 : x - Step 2: Convert to fraction form
264,872.64/397,300.16 = 115,113.08/x - Step 3: Cross multiply
264,872.64x = 397,300.16 × 115,113.08 - Step 4: Simplify right side
264,872.64x = 45,734,445,102.09 - Step 5: Solve for x
x = 45,734,445,102.09/264,872.64 - Step 6: Final answer
x = 172,665.80
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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.