Finding the Fourth Proportional to 590,235.42, 814,523.19 and 321,961.50
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Solution
The fourth proportional to 590,235.42, 814,523.19 and 321,961.50 is: 444,305.95
Step by Step Solution
- Step 1: Write the proportion equation
590,235.42 : 814,523.19 = 321,961.50 : x - Step 2: Convert to fraction form
590,235.42/814,523.19 = 321,961.50/x - Step 3: Cross multiply
590,235.42x = 814,523.19 × 321,961.50 - Step 4: Simplify right side
590,235.42x = 262,245,108,037.19 - Step 5: Solve for x
x = 262,245,108,037.19/590,235.42 - Step 6: Final answer
x = 444,305.95
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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.