Finding the Fourth Proportional to 118,350.88, 177,243.36 and 68,279.20
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Solution
The fourth proportional to 118,350.88, 177,243.36 and 68,279.20 is: 102,255.55
Step by Step Solution
- Step 1: Write the proportion equation
118,350.88 : 177,243.36 = 68,279.20 : x - Step 2: Convert to fraction form
118,350.88/177,243.36 = 68,279.20/x - Step 3: Cross multiply
118,350.88x = 177,243.36 × 68,279.20 - Step 4: Simplify right side
118,350.88x = 12,102,034,826.11 - Step 5: Solve for x
x = 12,102,034,826.11/118,350.88 - Step 6: Final answer
x = 102,255.55
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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.