Finding the Fourth Proportional to 199,173.30, 274,855.68 and 108,530.02
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Solution
The fourth proportional to 199,173.30, 274,855.68 and 108,530.02 is: 149,769.53
Step by Step Solution
- Step 1: Write the proportion equation
199,173.30 : 274,855.68 = 108,530.02 : x - Step 2: Convert to fraction form
199,173.30/274,855.68 = 108,530.02/x - Step 3: Cross multiply
199,173.30x = 274,855.68 × 108,530.02 - Step 4: Simplify right side
199,173.30x = 29,830,092,447.51 - Step 5: Solve for x
x = 29,830,092,447.51/199,173.30 - Step 6: Final answer
x = 149,769.53
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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.