Finding the Fourth Proportional to 168,511.96, 252,767.22 and 68,649.88
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Solution
The fourth proportional to 168,511.96, 252,767.22 and 68,649.88 is: 102,974.53
Step by Step Solution
- Step 1: Write the proportion equation
168,511.96 : 252,767.22 = 68,649.88 : x - Step 2: Convert to fraction form
168,511.96/252,767.22 = 68,649.88/x - Step 3: Cross multiply
168,511.96x = 252,767.22 × 68,649.88 - Step 4: Simplify right side
168,511.96x = 17,352,439,320.93 - Step 5: Solve for x
x = 17,352,439,320.93/168,511.96 - Step 6: Final answer
x = 102,974.53
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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.