Finding the Fourth Proportional to 131,471.70, 197,294.90 and 48,365.70
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Solution
The fourth proportional to 131,471.70, 197,294.90 and 48,365.70 is: 72,580.68
Step by Step Solution
- Step 1: Write the proportion equation
131,471.70 : 197,294.90 = 48,365.70 : x - Step 2: Convert to fraction form
131,471.70/197,294.90 = 48,365.70/x - Step 3: Cross multiply
131,471.70x = 197,294.90 × 48,365.70 - Step 4: Simplify right side
131,471.70x = 9,542,305,703.10 - Step 5: Solve for x
x = 9,542,305,703.10/131,471.70 - Step 6: Final answer
x = 72,580.68
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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.