Finding the Fourth Proportional to 155,817.87, 233,542.22 and 71,506.99
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Solution
The fourth proportional to 155,817.87, 233,542.22 and 71,506.99 is: 107,175.78
Step by Step Solution
- Step 1: Write the proportion equation
155,817.87 : 233,542.22 = 71,506.99 : x - Step 2: Convert to fraction form
155,817.87/233,542.22 = 71,506.99/x - Step 3: Cross multiply
155,817.87x = 233,542.22 × 71,506.99 - Step 4: Simplify right side
155,817.87x = 16,699,901,190.12 - Step 5: Solve for x
x = 16,699,901,190.12/155,817.87 - Step 6: Final answer
x = 107,175.78
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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.