Finding the Fourth Proportional to 347,463.68, 479,500.80 and 188,487.68
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Solution
The fourth proportional to 347,463.68, 479,500.80 and 188,487.68 is: 260,113.50
Step by Step Solution
- Step 1: Write the proportion equation
347,463.68 : 479,500.80 = 188,487.68 : x - Step 2: Convert to fraction form
347,463.68/479,500.80 = 188,487.68/x - Step 3: Cross multiply
347,463.68x = 479,500.80 × 188,487.68 - Step 4: Simplify right side
347,463.68x = 90,379,993,350.14 - Step 5: Solve for x
x = 90,379,993,350.14/347,463.68 - Step 6: Final answer
x = 260,113.50
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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.