Finding the Fourth Proportional to 103,634.53, 155,451.79 and 103,634.53
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Solution
The fourth proportional to 103,634.53, 155,451.79 and 103,634.53 is: 155,451.79
Step by Step Solution
- Step 1: Write the proportion equation
103,634.53 : 155,451.79 = 103,634.53 : x - Step 2: Convert to fraction form
103,634.53/155,451.79 = 103,634.53/x - Step 3: Cross multiply
103,634.53x = 155,451.79 × 103,634.53 - Step 4: Simplify right side
103,634.53x = 16,110,173,194.31 - Step 5: Solve for x
x = 16,110,173,194.31/103,634.53 - Step 6: Final answer
x = 155,451.79
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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.