Finding the Fourth Proportional to 197,591.68, 272,676.49 and 106,947.62
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Solution
The fourth proportional to 197,591.68, 272,676.49 and 106,947.62 is: 147,587.70
Step by Step Solution
- Step 1: Write the proportion equation
197,591.68 : 272,676.49 = 106,947.62 : x - Step 2: Convert to fraction form
197,591.68/272,676.49 = 106,947.62/x - Step 3: Cross multiply
197,591.68x = 272,676.49 × 106,947.62 - Step 4: Simplify right side
197,591.68x = 29,162,101,635.45 - Step 5: Solve for x
x = 29,162,101,635.45/197,591.68 - Step 6: Final answer
x = 147,587.70
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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.