Finding the Fourth Proportional to 199,172.93, 274,855.08 and 108,529.68
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Solution
The fourth proportional to 199,172.93, 274,855.08 and 108,529.68 is: 149,769.02
Step by Step Solution
- Step 1: Write the proportion equation
199,172.93 : 274,855.08 = 108,529.68 : x - Step 2: Convert to fraction form
199,172.93/274,855.08 = 108,529.68/x - Step 3: Cross multiply
199,172.93x = 274,855.08 × 108,529.68 - Step 4: Simplify right side
199,172.93x = 29,829,933,878.77 - Step 5: Solve for x
x = 29,829,933,878.77/199,172.93 - Step 6: Final answer
x = 149,769.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.