Finding the Fourth Proportional to 397,919.16, 596,921.40 and 170,238.42
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Solution
The fourth proportional to 397,919.16, 596,921.40 and 170,238.42 is: 255,375.88
Step by Step Solution
- Step 1: Write the proportion equation
397,919.16 : 596,921.40 = 170,238.42 : x - Step 2: Convert to fraction form
397,919.16/596,921.40 = 170,238.42/x - Step 3: Cross multiply
397,919.16x = 596,921.40 × 170,238.42 - Step 4: Simplify right side
397,919.16x = 101,618,956,000.19 - Step 5: Solve for x
x = 101,618,956,000.19/397,919.16 - Step 6: Final answer
x = 255,375.88
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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.