Finding the Fourth Proportional to 395,797.80, 593,639.10 and 115,285.80
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Solution
The fourth proportional to 395,797.80, 593,639.10 and 115,285.80 is: 172,911.92
Step by Step Solution
- Step 1: Write the proportion equation
395,797.80 : 593,639.10 = 115,285.80 : x - Step 2: Convert to fraction form
395,797.80/593,639.10 = 115,285.80/x - Step 3: Cross multiply
395,797.80x = 593,639.10 × 115,285.80 - Step 4: Simplify right side
395,797.80x = 68,438,158,554.78 - Step 5: Solve for x
x = 68,438,158,554.78/395,797.80 - Step 6: Final answer
x = 172,911.92
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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.