Finding the Fourth Proportional to 347,660.75, 521,572.01 and 107,761.92
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Solution
The fourth proportional to 347,660.75, 521,572.01 and 107,761.92 is: 161,667.95
Step by Step Solution
- Step 1: Write the proportion equation
347,660.75 : 521,572.01 = 107,761.92 : x - Step 2: Convert to fraction form
347,660.75/521,572.01 = 107,761.92/x - Step 3: Cross multiply
347,660.75x = 521,572.01 × 107,761.92 - Step 4: Simplify right side
347,660.75x = 56,205,600,677.05 - Step 5: Solve for x
x = 56,205,600,677.05/347,660.75 - Step 6: Final answer
x = 161,667.95
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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.