Finding the Fourth Proportional to 168,420.06, 252,481.46 and 68,663.70
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Solution
The fourth proportional to 168,420.06, 252,481.46 and 68,663.70 is: 102,934.95
Step by Step Solution
- Step 1: Write the proportion equation
168,420.06 : 252,481.46 = 68,663.70 : x - Step 2: Convert to fraction form
168,420.06/252,481.46 = 68,663.70/x - Step 3: Cross multiply
168,420.06x = 252,481.46 × 68,663.70 - Step 4: Simplify right side
168,420.06x = 17,336,310,881.68 - Step 5: Solve for x
x = 17,336,310,881.68/168,420.06 - Step 6: Final answer
x = 102,934.95
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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.