Finding the Fourth Proportional to 197,548.70, 272,615.12 and 106,902.68
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Solution
The fourth proportional to 197,548.70, 272,615.12 and 106,902.68 is: 147,524.57
Step by Step Solution
- Step 1: Write the proportion equation
197,548.70 : 272,615.12 = 106,902.68 : x - Step 2: Convert to fraction form
197,548.70/272,615.12 = 106,902.68/x - Step 3: Cross multiply
197,548.70x = 272,615.12 × 106,902.68 - Step 4: Simplify right side
197,548.70x = 29,143,286,936.52 - Step 5: Solve for x
x = 29,143,286,936.52/197,548.70 - Step 6: Final answer
x = 147,524.57
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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.