Finding the Fourth Proportional to 127,274.49, 175,628.52 and 73,562.99
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Solution
The fourth proportional to 127,274.49, 175,628.52 and 73,562.99 is: 101,510.98
Step by Step Solution
- Step 1: Write the proportion equation
127,274.49 : 175,628.52 = 73,562.99 : x - Step 2: Convert to fraction form
127,274.49/175,628.52 = 73,562.99/x - Step 3: Cross multiply
127,274.49x = 175,628.52 × 73,562.99 - Step 4: Simplify right side
127,274.49x = 12,919,758,182.33 - Step 5: Solve for x
x = 12,919,758,182.33/127,274.49 - Step 6: Final answer
x = 101,510.98
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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.