Finding the Fourth Proportional to 197,780.24, 296,761.08 and 107,850.80
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Solution
The fourth proportional to 197,780.24, 296,761.08 and 107,850.80 is: 161,825.67
Step by Step Solution
- Step 1: Write the proportion equation
197,780.24 : 296,761.08 = 107,850.80 : x - Step 2: Convert to fraction form
197,780.24/296,761.08 = 107,850.80/x - Step 3: Cross multiply
197,780.24x = 296,761.08 × 107,850.80 - Step 4: Simplify right side
197,780.24x = 32,005,919,886.86 - Step 5: Solve for x
x = 32,005,919,886.86/197,780.24 - Step 6: Final answer
x = 161,825.67
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.