Finding the Fourth Proportional to 467,301.88, 644,861.21 and 295,311.75
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Solution
The fourth proportional to 467,301.88, 644,861.21 and 295,311.75 is: 407,520.49
Step by Step Solution
- Step 1: Write the proportion equation
467,301.88 : 644,861.21 = 295,311.75 : x - Step 2: Convert to fraction form
467,301.88/644,861.21 = 295,311.75/x - Step 3: Cross multiply
467,301.88x = 644,861.21 × 295,311.75 - Step 4: Simplify right side
467,301.88x = 190,435,092,432.22 - Step 5: Solve for x
x = 190,435,092,432.22/467,301.88 - Step 6: Final answer
x = 407,520.49
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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.