Finding the Fourth Proportional to 169,311.63, 253,968.84 and 137,684.91
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Solution
The fourth proportional to 169,311.63, 253,968.84 and 137,684.91 is: 206,528.50
Step by Step Solution
- Step 1: Write the proportion equation
169,311.63 : 253,968.84 = 137,684.91 : x - Step 2: Convert to fraction form
169,311.63/253,968.84 = 137,684.91/x - Step 3: Cross multiply
169,311.63x = 253,968.84 × 137,684.91 - Step 4: Simplify right side
169,311.63x = 34,967,676,878.20 - Step 5: Solve for x
x = 34,967,676,878.20/169,311.63 - Step 6: Final answer
x = 206,528.50
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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.