Finding the Fourth Proportional to 104,543.40, 156,791.46 and 48,352.68
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Solution
The fourth proportional to 104,543.40, 156,791.46 and 48,352.68 is: 72,518.09
Step by Step Solution
- Step 1: Write the proportion equation
104,543.40 : 156,791.46 = 48,352.68 : x - Step 2: Convert to fraction form
104,543.40/156,791.46 = 48,352.68/x - Step 3: Cross multiply
104,543.40x = 156,791.46 × 48,352.68 - Step 4: Simplify right side
104,543.40x = 7,581,287,473.44 - Step 5: Solve for x
x = 7,581,287,473.44/104,543.40 - Step 6: Final answer
x = 72,518.09
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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.