Finding the Fourth Proportional to 467,878.82, 645,838.21 and 276,891.75
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Solution
The fourth proportional to 467,878.82, 645,838.21 and 276,891.75 is: 382,208.53
Step by Step Solution
- Step 1: Write the proportion equation
467,878.82 : 645,838.21 = 276,891.75 : x - Step 2: Convert to fraction form
467,878.82/645,838.21 = 276,891.75/x - Step 3: Cross multiply
467,878.82x = 645,838.21 × 276,891.75 - Step 4: Simplify right side
467,878.82x = 178,827,272,529.88 - Step 5: Solve for x
x = 178,827,272,529.88/467,878.82 - Step 6: Final answer
x = 382,208.53
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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.