Finding the Fourth Proportional to 245,481.50, 338,734.71 and 136,560.09
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Solution
The fourth proportional to 245,481.50, 338,734.71 and 136,560.09 is: 188,436.37
Step by Step Solution
- Step 1: Write the proportion equation
245,481.50 : 338,734.71 = 136,560.09 : x - Step 2: Convert to fraction form
245,481.50/338,734.71 = 136,560.09/x - Step 3: Cross multiply
245,481.50x = 338,734.71 × 136,560.09 - Step 4: Simplify right side
245,481.50x = 46,257,643,753.98 - Step 5: Solve for x
x = 46,257,643,753.98/245,481.50 - Step 6: Final answer
x = 188,436.37
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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.