Finding the Fourth Proportional to 168,819.70, 253,136.07 and 69,049.96
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Solution
The fourth proportional to 168,819.70, 253,136.07 and 69,049.96 is: 103,536.70
Step by Step Solution
- Step 1: Write the proportion equation
168,819.70 : 253,136.07 = 69,049.96 : x - Step 2: Convert to fraction form
168,819.70/253,136.07 = 69,049.96/x - Step 3: Cross multiply
168,819.70x = 253,136.07 × 69,049.96 - Step 4: Simplify right side
168,819.70x = 17,479,034,875.22 - Step 5: Solve for x
x = 17,479,034,875.22/168,819.70 - Step 6: Final answer
x = 103,536.70
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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.