Finding the Fourth Proportional to 419,959.05, 629,938.41 and 104,415.96
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Solution
The fourth proportional to 419,959.05, 629,938.41 and 104,415.96 is: 156,623.90
Step by Step Solution
- Step 1: Write the proportion equation
419,959.05 : 629,938.41 = 104,415.96 : x - Step 2: Convert to fraction form
419,959.05/629,938.41 = 104,415.96/x - Step 3: Cross multiply
419,959.05x = 629,938.41 × 104,415.96 - Step 4: Simplify right side
419,959.05x = 65,775,623,821.02 - Step 5: Solve for x
x = 65,775,623,821.02/419,959.05 - Step 6: Final answer
x = 156,623.90
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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.