Finding the Fourth Proportional to 268,940.97, 403,317.32 and 79,351.02
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Solution
The fourth proportional to 268,940.97, 403,317.32 and 79,351.02 is: 118,998.75
Step by Step Solution
- Step 1: Write the proportion equation
268,940.97 : 403,317.32 = 79,351.02 : x - Step 2: Convert to fraction form
268,940.97/403,317.32 = 79,351.02/x - Step 3: Cross multiply
268,940.97x = 403,317.32 × 79,351.02 - Step 4: Simplify right side
268,940.97x = 32,003,639,114.04 - Step 5: Solve for x
x = 32,003,639,114.04/268,940.97 - Step 6: Final answer
x = 118,998.75
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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.