Finding the Fourth Proportional to 276,979.46, 382,231.82 and 149,655.02
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Solution
The fourth proportional to 276,979.46, 382,231.82 and 149,655.02 is: 206,524.02
Step by Step Solution
- Step 1: Write the proportion equation
276,979.46 : 382,231.82 = 149,655.02 : x - Step 2: Convert to fraction form
276,979.46/382,231.82 = 149,655.02/x - Step 3: Cross multiply
276,979.46x = 382,231.82 × 149,655.02 - Step 4: Simplify right side
276,979.46x = 57,202,909,129.71 - Step 5: Solve for x
x = 57,202,909,129.71/276,979.46 - Step 6: Final answer
x = 206,524.02
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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.