Finding the Fourth Proportional to 245,260.26, 338,468.49 and 149,809.86
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Solution
The fourth proportional to 245,260.26, 338,468.49 and 149,809.86 is: 206,743.31
Step by Step Solution
- Step 1: Write the proportion equation
245,260.26 : 338,468.49 = 149,809.86 : x - Step 2: Convert to fraction form
245,260.26/338,468.49 = 149,809.86/x - Step 3: Cross multiply
245,260.26x = 338,468.49 × 149,809.86 - Step 4: Simplify right side
245,260.26x = 50,705,917,101.31 - Step 5: Solve for x
x = 50,705,917,101.31/245,260.26 - Step 6: Final answer
x = 206,743.31
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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.