Finding the Fourth Proportional to 168,247.73, 252,419.29 and 68,479.53
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Solution
The fourth proportional to 168,247.73, 252,419.29 and 68,479.53 is: 102,738.70
Step by Step Solution
- Step 1: Write the proportion equation
168,247.73 : 252,419.29 = 68,479.53 : x - Step 2: Convert to fraction form
168,247.73/252,419.29 = 68,479.53/x - Step 3: Cross multiply
168,247.73x = 252,419.29 × 68,479.53 - Step 4: Simplify right side
168,247.73x = 17,285,553,224.36 - Step 5: Solve for x
x = 17,285,553,224.36/168,247.73 - Step 6: Final answer
x = 102,738.70
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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.