Finding the Fourth Proportional to 197,630.43, 272,729.68 and 106,986.37
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Solution
The fourth proportional to 197,630.43, 272,729.68 and 106,986.37 is: 147,641.02
Step by Step Solution
- Step 1: Write the proportion equation
197,630.43 : 272,729.68 = 106,986.37 : x - Step 2: Convert to fraction form
197,630.43/272,729.68 = 106,986.37/x - Step 3: Cross multiply
197,630.43x = 272,729.68 × 106,986.37 - Step 4: Simplify right side
197,630.43x = 29,178,358,454.46 - Step 5: Solve for x
x = 29,178,358,454.46/197,630.43 - Step 6: Final answer
x = 147,641.02
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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.