Finding the Fourth Proportional to 261,396.18, 360,671.76 and 170,884.80
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Solution
The fourth proportional to 261,396.18, 360,671.76 and 170,884.80 is: 235,785.09
Step by Step Solution
- Step 1: Write the proportion equation
261,396.18 : 360,671.76 = 170,884.80 : x - Step 2: Convert to fraction form
261,396.18/360,671.76 = 170,884.80/x - Step 3: Cross multiply
261,396.18x = 360,671.76 × 170,884.80 - Step 4: Simplify right side
261,396.18x = 61,633,321,573.25 - Step 5: Solve for x
x = 61,633,321,573.25/261,396.18 - Step 6: Final answer
x = 235,785.09
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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.