Finding the Fourth Proportional to 202,108.24, 278,906.50 and 117,239.68
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Solution
The fourth proportional to 202,108.24, 278,906.50 and 117,239.68 is: 161,789.09
Step by Step Solution
- Step 1: Write the proportion equation
202,108.24 : 278,906.50 = 117,239.68 : x - Step 2: Convert to fraction form
202,108.24/278,906.50 = 117,239.68/x - Step 3: Cross multiply
202,108.24x = 278,906.50 × 117,239.68 - Step 4: Simplify right side
202,108.24x = 32,698,908,809.92 - Step 5: Solve for x
x = 32,698,908,809.92/202,108.24 - Step 6: Final answer
x = 161,789.09
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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.