Finding the Fourth Proportional to 127,274.60, 175,658.10 and 91,582.76
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Solution
The fourth proportional to 127,274.60, 175,658.10 and 91,582.76 is: 126,397.99
Step by Step Solution
- Step 1: Write the proportion equation
127,274.60 : 175,658.10 = 91,582.76 : x - Step 2: Convert to fraction form
127,274.60/175,658.10 = 91,582.76/x - Step 3: Cross multiply
127,274.60x = 175,658.10 × 91,582.76 - Step 4: Simplify right side
127,274.60x = 16,087,253,614.36 - Step 5: Solve for x
x = 16,087,253,614.36/127,274.60 - Step 6: Final answer
x = 126,397.99
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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.