Finding the Fourth Proportional to 382,882.18, 528,377.43 and 213,112.66
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Solution
The fourth proportional to 382,882.18, 528,377.43 and 213,112.66 is: 294,095.48
Step by Step Solution
- Step 1: Write the proportion equation
382,882.18 : 528,377.43 = 213,112.66 : x - Step 2: Convert to fraction form
382,882.18/528,377.43 = 213,112.66/x - Step 3: Cross multiply
382,882.18x = 528,377.43 × 213,112.66 - Step 4: Simplify right side
382,882.18x = 112,603,919,591.26 - Step 5: Solve for x
x = 112,603,919,591.26/382,882.18 - Step 6: Final answer
x = 294,095.48
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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.