Finding the Fourth Proportional to 265,905.80, 398,858.70 and 160,929.80
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Solution
The fourth proportional to 265,905.80, 398,858.70 and 160,929.80 is: 241,394.70
Step by Step Solution
- Step 1: Write the proportion equation
265,905.80 : 398,858.70 = 160,929.80 : x - Step 2: Convert to fraction form
265,905.80/398,858.70 = 160,929.80/x - Step 3: Cross multiply
265,905.80x = 398,858.70 × 160,929.80 - Step 4: Simplify right side
265,905.80x = 64,188,250,819.26 - Step 5: Solve for x
x = 64,188,250,819.26/265,905.80 - Step 6: Final answer
x = 241,394.70
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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.