Finding the Fourth Proportional to 326,702.76, 490,106.04 and 113,535.84
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Solution
The fourth proportional to 326,702.76, 490,106.04 and 113,535.84 is: 170,321.80
Step by Step Solution
- Step 1: Write the proportion equation
326,702.76 : 490,106.04 = 113,535.84 : x - Step 2: Convert to fraction form
326,702.76/490,106.04 = 113,535.84/x - Step 3: Cross multiply
326,702.76x = 490,106.04 × 113,535.84 - Step 4: Simplify right side
326,702.76x = 55,644,600,940.47 - Step 5: Solve for x
x = 55,644,600,940.47/326,702.76 - Step 6: Final answer
x = 170,321.80
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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.