Finding the Fourth Proportional to 352,514.74, 486,419.02 and 201,582.58
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Solution
The fourth proportional to 352,514.74, 486,419.02 and 201,582.58 is: 278,154.61
Step by Step Solution
- Step 1: Write the proportion equation
352,514.74 : 486,419.02 = 201,582.58 : x - Step 2: Convert to fraction form
352,514.74/486,419.02 = 201,582.58/x - Step 3: Cross multiply
352,514.74x = 486,419.02 × 201,582.58 - Step 4: Simplify right side
352,514.74x = 98,053,601,012.67 - Step 5: Solve for x
x = 98,053,601,012.67/352,514.74 - Step 6: Final answer
x = 278,154.61
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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.