Finding the Fourth Proportional to 256,637.26, 354,161.71 and 141,923.62
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Solution
The fourth proportional to 256,637.26, 354,161.71 and 141,923.62 is: 195,855.87
Step by Step Solution
- Step 1: Write the proportion equation
256,637.26 : 354,161.71 = 141,923.62 : x - Step 2: Convert to fraction form
256,637.26/354,161.71 = 141,923.62/x - Step 3: Cross multiply
256,637.26x = 354,161.71 × 141,923.62 - Step 4: Simplify right side
256,637.26x = 50,263,912,833.99 - Step 5: Solve for x
x = 50,263,912,833.99/256,637.26 - Step 6: Final answer
x = 195,855.87
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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.