Finding the Fourth Proportional to 263,568.33, 363,722.76 and 142,707.12
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Solution
The fourth proportional to 263,568.33, 363,722.76 and 142,707.12 is: 196,934.99
Step by Step Solution
- Step 1: Write the proportion equation
263,568.33 : 363,722.76 = 142,707.12 : x - Step 2: Convert to fraction form
263,568.33/363,722.76 = 142,707.12/x - Step 3: Cross multiply
263,568.33x = 363,722.76 × 142,707.12 - Step 4: Simplify right side
263,568.33x = 51,905,827,558.05 - Step 5: Solve for x
x = 51,905,827,558.05/263,568.33 - Step 6: Final answer
x = 196,934.99
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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.