Finding the Fourth Proportional to 419,958.68, 629,938.48 and 104,415.62
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Solution
The fourth proportional to 419,958.68, 629,938.48 and 104,415.62 is: 156,623.54
Step by Step Solution
- Step 1: Write the proportion equation
419,958.68 : 629,938.48 = 104,415.62 : x - Step 2: Convert to fraction form
419,958.68/629,938.48 = 104,415.62/x - Step 3: Cross multiply
419,958.68x = 629,938.48 × 104,415.62 - Step 4: Simplify right side
419,958.68x = 65,775,416,951.06 - Step 5: Solve for x
x = 65,775,416,951.06/419,958.68 - Step 6: Final answer
x = 156,623.54
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.