Finding the Fourth Proportional to 197,772.09, 272,951.94 and 111,748.87
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Solution
The fourth proportional to 197,772.09, 272,951.94 and 111,748.87 is: 154,228.39
Step by Step Solution
- Step 1: Write the proportion equation
197,772.09 : 272,951.94 = 111,748.87 : x - Step 2: Convert to fraction form
197,772.09/272,951.94 = 111,748.87/x - Step 3: Cross multiply
197,772.09x = 272,951.94 × 111,748.87 - Step 4: Simplify right side
197,772.09x = 30,502,070,859.31 - Step 5: Solve for x
x = 30,502,070,859.31/197,772.09 - Step 6: Final answer
x = 154,228.39
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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.