Finding the Fourth Proportional to 245,560.28, 338,777.24 and 138,105.68
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Solution
The fourth proportional to 245,560.28, 338,777.24 and 138,105.68 is: 190,531.88
Step by Step Solution
- Step 1: Write the proportion equation
245,560.28 : 338,777.24 = 138,105.68 : x - Step 2: Convert to fraction form
245,560.28/338,777.24 = 138,105.68/x - Step 3: Cross multiply
245,560.28x = 338,777.24 × 138,105.68 - Step 4: Simplify right side
245,560.28x = 46,787,061,098.72 - Step 5: Solve for x
x = 46,787,061,098.72/245,560.28 - Step 6: Final answer
x = 190,531.88
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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.