Finding the Fourth Proportional to 347,226.92, 479,186.78 and 203,985.70
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Solution
The fourth proportional to 347,226.92, 479,186.78 and 203,985.70 is: 281,508.27
Step by Step Solution
- Step 1: Write the proportion equation
347,226.92 : 479,186.78 = 203,985.70 : x - Step 2: Convert to fraction form
347,226.92/479,186.78 = 203,985.70/x - Step 3: Cross multiply
347,226.92x = 479,186.78 × 203,985.70 - Step 4: Simplify right side
347,226.92x = 97,747,250,749.05 - Step 5: Solve for x
x = 97,747,250,749.05/347,226.92 - Step 6: Final answer
x = 281,508.27
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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.