Finding the Fourth Proportional to 283,367.60, 424,921.80 and 125,514.80
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Solution
The fourth proportional to 283,367.60, 424,921.80 and 125,514.80 is: 188,214.79
Step by Step Solution
- Step 1: Write the proportion equation
283,367.60 : 424,921.80 = 125,514.80 : x - Step 2: Convert to fraction form
283,367.60/424,921.80 = 125,514.80/x - Step 3: Cross multiply
283,367.60x = 424,921.80 × 125,514.80 - Step 4: Simplify right side
283,367.60x = 53,333,974,742.64 - Step 5: Solve for x
x = 53,333,974,742.64/283,367.60 - Step 6: Final answer
x = 188,214.79
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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.