Finding the Fourth Proportional to 264,911.80, 397,438.10 and 115,087.80
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Solution
The fourth proportional to 264,911.80, 397,438.10 and 115,087.80 is: 172,662.28
Step by Step Solution
- Step 1: Write the proportion equation
264,911.80 : 397,438.10 = 115,087.80 : x - Step 2: Convert to fraction form
264,911.80/397,438.10 = 115,087.80/x - Step 3: Cross multiply
264,911.80x = 397,438.10 × 115,087.80 - Step 4: Simplify right side
264,911.80x = 45,740,276,565.18 - Step 5: Solve for x
x = 45,740,276,565.18/264,911.80 - Step 6: Final answer
x = 172,662.28
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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.