Finding the Fourth Proportional to 275,380.08, 413,089.86 and 115,294.92
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Solution
The fourth proportional to 275,380.08, 413,089.86 and 115,294.92 is: 172,950.65
Step by Step Solution
- Step 1: Write the proportion equation
275,380.08 : 413,089.86 = 115,294.92 : x - Step 2: Convert to fraction form
275,380.08/413,089.86 = 115,294.92/x - Step 3: Cross multiply
275,380.08x = 413,089.86 × 115,294.92 - Step 4: Simplify right side
275,380.08x = 47,627,162,793.87 - Step 5: Solve for x
x = 47,627,162,793.87/275,380.08 - Step 6: Final answer
x = 172,950.65
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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.