Finding the Fourth Proportional to 283,729.24, 391,573.97 and 211,984.71
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Solution
The fourth proportional to 283,729.24, 391,573.97 and 211,984.71 is: 292,559.53
Step by Step Solution
- Step 1: Write the proportion equation
283,729.24 : 391,573.97 = 211,984.71 : x - Step 2: Convert to fraction form
283,729.24/391,573.97 = 211,984.71/x - Step 3: Cross multiply
283,729.24x = 391,573.97 × 211,984.71 - Step 4: Simplify right side
283,729.24x = 83,007,694,474.00 - Step 5: Solve for x
x = 83,007,694,474.00/283,729.24 - Step 6: Final answer
x = 292,559.53
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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.