Finding the Fourth Proportional to 127,272.18, 175,625.36 and 73,560.68
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Solution
The fourth proportional to 127,272.18, 175,625.36 and 73,560.68 is: 101,507.82
Step by Step Solution
- Step 1: Write the proportion equation
127,272.18 : 175,625.36 = 73,560.68 : x - Step 2: Convert to fraction form
127,272.18/175,625.36 = 73,560.68/x - Step 3: Cross multiply
127,272.18x = 175,625.36 × 73,560.68 - Step 4: Simplify right side
127,272.18x = 12,919,120,906.84 - Step 5: Solve for x
x = 12,919,120,906.84/127,272.18 - Step 6: Final answer
x = 101,507.82
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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.