Finding the Fourth Proportional to 620,539.75, 930,863.24 and 171,260.70
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Solution
The fourth proportional to 620,539.75, 930,863.24 and 171,260.70 is: 256,905.85
Step by Step Solution
- Step 1: Write the proportion equation
620,539.75 : 930,863.24 = 171,260.70 : x - Step 2: Convert to fraction form
620,539.75/930,863.24 = 171,260.70/x - Step 3: Cross multiply
620,539.75x = 930,863.24 × 171,260.70 - Step 4: Simplify right side
620,539.75x = 159,420,290,086.67 - Step 5: Solve for x
x = 159,420,290,086.67/620,539.75 - Step 6: Final answer
x = 256,905.85
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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.