Finding the Fourth Proportional to 173,245.76, 239,072.40 and 108,749.68
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Solution
The fourth proportional to 173,245.76, 239,072.40 and 108,749.68 is: 150,070.32
Step by Step Solution
- Step 1: Write the proportion equation
173,245.76 : 239,072.40 = 108,749.68 : x - Step 2: Convert to fraction form
173,245.76/239,072.40 = 108,749.68/x - Step 3: Cross multiply
173,245.76x = 239,072.40 × 108,749.68 - Step 4: Simplify right side
173,245.76x = 25,999,046,996.83 - Step 5: Solve for x
x = 25,999,046,996.83/173,245.76 - Step 6: Final answer
x = 150,070.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.