Finding the Fourth Proportional to 347,211.24, 479,165.13 and 203,970.03
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Solution
The fourth proportional to 347,211.24, 479,165.13 and 203,970.03 is: 281,486.64
Step by Step Solution
- Step 1: Write the proportion equation
347,211.24 : 479,165.13 = 203,970.03 : x - Step 2: Convert to fraction form
347,211.24/479,165.13 = 203,970.03/x - Step 3: Cross multiply
347,211.24x = 479,165.13 × 203,970.03 - Step 4: Simplify right side
347,211.24x = 97,735,325,941.05 - Step 5: Solve for x
x = 97,735,325,941.05/347,211.24 - Step 6: Final answer
x = 281,486.64
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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.