Finding the Fourth Proportional to 249,724.26, 344,620.62 and 136,546.92
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Solution
The fourth proportional to 249,724.26, 344,620.62 and 136,546.92 is: 188,435.37
Step by Step Solution
- Step 1: Write the proportion equation
249,724.26 : 344,620.62 = 136,546.92 : x - Step 2: Convert to fraction form
249,724.26/344,620.62 = 136,546.92/x - Step 3: Cross multiply
249,724.26x = 344,620.62 × 136,546.92 - Step 4: Simplify right side
249,724.26x = 47,056,884,229.49 - Step 5: Solve for x
x = 47,056,884,229.49/249,724.26 - Step 6: Final answer
x = 188,435.37
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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.