Finding the Fourth Proportional to 533,245.16, 799,868.55 and 213,540.99
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Solution
The fourth proportional to 533,245.16, 799,868.55 and 213,540.99 is: 320,311.81
Step by Step Solution
- Step 1: Write the proportion equation
533,245.16 : 799,868.55 = 213,540.99 : x - Step 2: Convert to fraction form
533,245.16/799,868.55 = 213,540.99/x - Step 3: Cross multiply
533,245.16x = 799,868.55 × 213,540.99 - Step 4: Simplify right side
533,245.16x = 170,804,722,036.87 - Step 5: Solve for x
x = 170,804,722,036.87/533,245.16 - Step 6: Final answer
x = 320,311.81
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.