Finding the Fourth Proportional to 253,738.97, 350,160.05 and 137,452.71
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Solution
The fourth proportional to 253,738.97, 350,160.05 and 137,452.71 is: 189,684.89
Step by Step Solution
- Step 1: Write the proportion equation
253,738.97 : 350,160.05 = 137,452.71 : x - Step 2: Convert to fraction form
253,738.97/350,160.05 = 137,452.71/x - Step 3: Cross multiply
253,738.97x = 350,160.05 × 137,452.71 - Step 4: Simplify right side
253,738.97x = 48,130,447,806.24 - Step 5: Solve for x
x = 48,130,447,806.24/253,738.97 - Step 6: Final answer
x = 189,684.89
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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.