Finding the Fourth Proportional to 243,032.91, 335,388.38 and 141,081.99
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Solution
The fourth proportional to 243,032.91, 335,388.38 and 141,081.99 is: 194,694.86
Step by Step Solution
- Step 1: Write the proportion equation
243,032.91 : 335,388.38 = 141,081.99 : x - Step 2: Convert to fraction form
243,032.91/335,388.38 = 141,081.99/x - Step 3: Cross multiply
243,032.91x = 335,388.38 × 141,081.99 - Step 4: Simplify right side
243,032.91x = 47,317,259,367.87 - Step 5: Solve for x
x = 47,317,259,367.87/243,032.91 - Step 6: Final answer
x = 194,694.86
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1.5x scale
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.