Finding the Fourth Proportional to 242,644.26, 334,850.40 and 140,730.12
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Solution
The fourth proportional to 242,644.26, 334,850.40 and 140,730.12 is: 194,208.33
Step by Step Solution
- Step 1: Write the proportion equation
242,644.26 : 334,850.40 = 140,730.12 : x - Step 2: Convert to fraction form
242,644.26/334,850.40 = 140,730.12/x - Step 3: Cross multiply
242,644.26x = 334,850.40 × 140,730.12 - Step 4: Simplify right side
242,644.26x = 47,123,536,974.05 - Step 5: Solve for x
x = 47,123,536,974.05/242,644.26 - Step 6: Final answer
x = 194,208.33
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.