Finding the Fourth Proportional to 199,171.08, 274,869.66 and 121,679.88
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Solution
The fourth proportional to 199,171.08, 274,869.66 and 121,679.88 is: 167,926.52
Step by Step Solution
- Step 1: Write the proportion equation
199,171.08 : 274,869.66 = 121,679.88 : x - Step 2: Convert to fraction form
199,171.08/274,869.66 = 121,679.88/x - Step 3: Cross multiply
199,171.08x = 274,869.66 × 121,679.88 - Step 4: Simplify right side
199,171.08x = 33,446,107,244.44 - Step 5: Solve for x
x = 33,446,107,244.44/199,171.08 - Step 6: Final answer
x = 167,926.52
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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.