Finding the Fourth Proportional to 203,917.45, 305,876.18 and 133,058.65
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Solution
The fourth proportional to 203,917.45, 305,876.18 and 133,058.65 is: 199,587.98
Step by Step Solution
- Step 1: Write the proportion equation
203,917.45 : 305,876.18 = 133,058.65 : x - Step 2: Convert to fraction form
203,917.45/305,876.18 = 133,058.65/x - Step 3: Cross multiply
203,917.45x = 305,876.18 × 133,058.65 - Step 4: Simplify right side
203,917.45x = 40,699,471,577.96 - Step 5: Solve for x
x = 40,699,471,577.96/203,917.45 - Step 6: Final answer
x = 199,587.98
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.