Finding the Fourth Proportional to 197,135.92, 272,047.48 and 106,491.88
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Solution
The fourth proportional to 197,135.92, 272,047.48 and 106,491.88 is: 146,958.75
Step by Step Solution
- Step 1: Write the proportion equation
197,135.92 : 272,047.48 = 106,491.88 : x - Step 2: Convert to fraction form
197,135.92/272,047.48 = 106,491.88/x - Step 3: Cross multiply
197,135.92x = 272,047.48 × 106,491.88 - Step 4: Simplify right side
197,135.92x = 28,970,847,594.46 - Step 5: Solve for x
x = 28,970,847,594.46/197,135.92 - Step 6: Final answer
x = 146,958.75
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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.