Finding the Fourth Proportional to 397,011.40, 595,182.26 and 172,202.49
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Solution
The fourth proportional to 397,011.40, 595,182.26 and 172,202.49 is: 258,158.50
Step by Step Solution
- Step 1: Write the proportion equation
397,011.40 : 595,182.26 = 172,202.49 : x - Step 2: Convert to fraction form
397,011.40/595,182.26 = 172,202.49/x - Step 3: Cross multiply
397,011.40x = 595,182.26 × 172,202.49 - Step 4: Simplify right side
397,011.40x = 102,491,867,175.83 - Step 5: Solve for x
x = 102,491,867,175.83/397,011.40 - Step 6: Final answer
x = 258,158.50
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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.