Finding the Fourth Proportional to 397,070.52, 547,680.20 and 261,060.99
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Solution
The fourth proportional to 397,070.52, 547,680.20 and 261,060.99 is: 360,081.97
Step by Step Solution
- Step 1: Write the proportion equation
397,070.52 : 547,680.20 = 261,060.99 : x - Step 2: Convert to fraction form
397,070.52/547,680.20 = 261,060.99/x - Step 3: Cross multiply
397,070.52x = 547,680.20 × 261,060.99 - Step 4: Simplify right side
397,070.52x = 142,977,933,910.09 - Step 5: Solve for x
x = 142,977,933,910.09/397,070.52 - Step 6: Final answer
x = 360,081.97
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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.