Finding the Fourth Proportional to 127,274.68, 175,599.55 and 73,540.09
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Solution
The fourth proportional to 127,274.68, 175,599.55 and 73,540.09 is: 101,462.49
Step by Step Solution
- Step 1: Write the proportion equation
127,274.68 : 175,599.55 = 73,540.09 : x - Step 2: Convert to fraction form
127,274.68/175,599.55 = 73,540.09/x - Step 3: Cross multiply
127,274.68x = 175,599.55 × 73,540.09 - Step 4: Simplify right side
127,274.68x = 12,913,605,620.97 - Step 5: Solve for x
x = 12,913,605,620.97/127,274.68 - Step 6: Final answer
x = 101,462.49
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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.