Finding the Fourth Proportional to 283,860.52, 391,709.60 and 162,916.68
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Solution
The fourth proportional to 283,860.52, 391,709.60 and 162,916.68 is: 224,814.73
Step by Step Solution
- Step 1: Write the proportion equation
283,860.52 : 391,709.60 = 162,916.68 : x - Step 2: Convert to fraction form
283,860.52/391,709.60 = 162,916.68/x - Step 3: Cross multiply
283,860.52x = 391,709.60 × 162,916.68 - Step 4: Simplify right side
283,860.52x = 63,816,027,556.13 - Step 5: Solve for x
x = 63,816,027,556.13/283,860.52 - Step 6: Final answer
x = 224,814.73
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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.