Finding the Fourth Proportional to 268,130.13, 402,194.82 and 68,450.52
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Solution
The fourth proportional to 268,130.13, 402,194.82 and 68,450.52 is: 102,675.68
Step by Step Solution
- Step 1: Write the proportion equation
268,130.13 : 402,194.82 = 68,450.52 : x - Step 2: Convert to fraction form
268,130.13/402,194.82 = 68,450.52/x - Step 3: Cross multiply
268,130.13x = 402,194.82 × 68,450.52 - Step 4: Simplify right side
268,130.13x = 27,530,444,570.31 - Step 5: Solve for x
x = 27,530,444,570.31/268,130.13 - Step 6: Final answer
x = 102,675.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.