Finding the Fourth Proportional to 197,785.44, 272,967.84 and 111,748.05
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Solution
The fourth proportional to 197,785.44, 272,967.84 and 111,748.05 is: 154,225.83
Step by Step Solution
- Step 1: Write the proportion equation
197,785.44 : 272,967.84 = 111,748.05 : x - Step 2: Convert to fraction form
197,785.44/272,967.84 = 111,748.05/x - Step 3: Cross multiply
197,785.44x = 272,967.84 × 111,748.05 - Step 4: Simplify right side
197,785.44x = 30,503,623,832.71 - Step 5: Solve for x
x = 30,503,623,832.71/197,785.44 - Step 6: Final answer
x = 154,225.83
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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.