Finding the Fourth Proportional to 175,442.20, 263,163.30 and 163,691.80
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Solution
The fourth proportional to 175,442.20, 263,163.30 and 163,691.80 is: 245,537.70
Step by Step Solution
- Step 1: Write the proportion equation
175,442.20 : 263,163.30 = 163,691.80 : x - Step 2: Convert to fraction form
175,442.20/263,163.30 = 163,691.80/x - Step 3: Cross multiply
175,442.20x = 263,163.30 × 163,691.80 - Step 4: Simplify right side
175,442.20x = 43,077,674,270.94 - Step 5: Solve for x
x = 43,077,674,270.94/175,442.20 - Step 6: Final answer
x = 245,537.70
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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.