Finding the Fourth Proportional to 395,439.16, 593,216.58 and 114,919.96
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Solution
The fourth proportional to 395,439.16, 593,216.58 and 114,919.96 is: 172,396.75
Step by Step Solution
- Step 1: Write the proportion equation
395,439.16 : 593,216.58 = 114,919.96 : x - Step 2: Convert to fraction form
395,439.16/593,216.58 = 114,919.96/x - Step 3: Cross multiply
395,439.16x = 593,216.58 × 114,919.96 - Step 4: Simplify right side
395,439.16x = 68,172,425,644.94 - Step 5: Solve for x
x = 68,172,425,644.94/395,439.16 - Step 6: Final answer
x = 172,396.75
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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.