Finding the Fourth Proportional to 199,431.65, 274,655.80 and 195,077.09
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Solution
The fourth proportional to 199,431.65, 274,655.80 and 195,077.09 is: 268,658.73
Step by Step Solution
- Step 1: Write the proportion equation
199,431.65 : 274,655.80 = 195,077.09 : x - Step 2: Convert to fraction form
199,431.65/274,655.80 = 195,077.09/x - Step 3: Cross multiply
199,431.65x = 274,655.80 × 195,077.09 - Step 4: Simplify right side
199,431.65x = 53,579,054,215.62 - Step 5: Solve for x
x = 53,579,054,215.62/199,431.65 - Step 6: Final answer
x = 268,658.73
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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.