Finding the Fourth Proportional to 382,040.62, 527,205.63 and 212,270.38
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Solution
The fourth proportional to 382,040.62, 527,205.63 and 212,270.38 is: 292,927.33
Step by Step Solution
- Step 1: Write the proportion equation
382,040.62 : 527,205.63 = 212,270.38 : x - Step 2: Convert to fraction form
382,040.62/527,205.63 = 212,270.38/x - Step 3: Cross multiply
382,040.62x = 527,205.63 × 212,270.38 - Step 4: Simplify right side
382,040.62x = 111,910,139,418.24 - Step 5: Solve for x
x = 111,910,139,418.24/382,040.62 - Step 6: Final answer
x = 292,927.33
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1.5x scale
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.