Finding the Fourth Proportional to 339,234.49, 511,290.12 and 292,414.67
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Solution
The fourth proportional to 339,234.49, 511,290.12 and 292,414.67 is: 440,723.85
Step by Step Solution
- Step 1: Write the proportion equation
339,234.49 : 511,290.12 = 292,414.67 : x - Step 2: Convert to fraction form
339,234.49/511,290.12 = 292,414.67/x - Step 3: Cross multiply
339,234.49x = 511,290.12 × 292,414.67 - Step 4: Simplify right side
339,234.49x = 149,508,730,251.99 - Step 5: Solve for x
x = 149,508,730,251.99/339,234.49 - Step 6: Final answer
x = 440,723.85
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.