Finding the Fourth Proportional to 149,657.20, 224,796.84 and 118,708.72
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Solution
The fourth proportional to 149,657.20, 224,796.84 and 118,708.72 is: 178,309.80
Step by Step Solution
- Step 1: Write the proportion equation
149,657.20 : 224,796.84 = 118,708.72 : x - Step 2: Convert to fraction form
149,657.20/224,796.84 = 118,708.72/x - Step 3: Cross multiply
149,657.20x = 224,796.84 × 118,708.72 - Step 4: Simplify right side
149,657.20x = 26,685,345,136.44 - Step 5: Solve for x
x = 26,685,345,136.44/149,657.20 - Step 6: Final answer
x = 178,309.80
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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.