Finding the Fourth Proportional to 199,174.08, 274,873.80 and 121,682.88
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Solution
The fourth proportional to 199,174.08, 274,873.80 and 121,682.88 is: 167,930.66
Step by Step Solution
- Step 1: Write the proportion equation
199,174.08 : 274,873.80 = 121,682.88 : x - Step 2: Convert to fraction form
199,174.08/274,873.80 = 121,682.88/x - Step 3: Cross multiply
199,174.08x = 274,873.80 × 121,682.88 - Step 4: Simplify right side
199,174.08x = 33,447,435,620.54 - Step 5: Solve for x
x = 33,447,435,620.54/199,174.08 - Step 6: Final answer
x = 167,930.66
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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.