Finding the Fourth Proportional to 347,558.67, 479,638.26 and 196,655.67
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Solution
The fourth proportional to 347,558.67, 479,638.26 and 196,655.67 is: 271,388.95
Step by Step Solution
- Step 1: Write the proportion equation
347,558.67 : 479,638.26 = 196,655.67 : x - Step 2: Convert to fraction form
347,558.67/479,638.26 = 196,655.67/x - Step 3: Cross multiply
347,558.67x = 479,638.26 × 196,655.67 - Step 4: Simplify right side
347,558.67x = 94,323,583,377.93 - Step 5: Solve for x
x = 94,323,583,377.93/347,558.67 - Step 6: Final answer
x = 271,388.95
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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.