Finding the Fourth Proportional to 331,830.30, 457,843.58 and 195,866.94
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Solution
The fourth proportional to 331,830.30, 457,843.58 and 195,866.94 is: 270,247.84
Step by Step Solution
- Step 1: Write the proportion equation
331,830.30 : 457,843.58 = 195,866.94 : x - Step 2: Convert to fraction form
331,830.30/457,843.58 = 195,866.94/x - Step 3: Cross multiply
331,830.30x = 457,843.58 × 195,866.94 - Step 4: Simplify right side
331,830.30x = 89,676,421,013.25 - Step 5: Solve for x
x = 89,676,421,013.25/331,830.30 - Step 6: Final answer
x = 270,247.84
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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.