Finding the Fourth Proportional to 283,556.58, 391,325.49 and 156,232.14
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Solution
The fourth proportional to 283,556.58, 391,325.49 and 156,232.14 is: 215,609.95
Step by Step Solution
- Step 1: Write the proportion equation
283,556.58 : 391,325.49 = 156,232.14 : x - Step 2: Convert to fraction form
283,556.58/391,325.49 = 156,232.14/x - Step 3: Cross multiply
283,556.58x = 391,325.49 × 156,232.14 - Step 4: Simplify right side
283,556.58x = 61,137,618,739.25 - Step 5: Solve for x
x = 61,137,618,739.25/283,556.58 - Step 6: Final answer
x = 215,609.95
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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.