Finding the Fourth Proportional to 176,378.11, 243,236.01 and 136,027.96
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Solution
The fourth proportional to 176,378.11, 243,236.01 and 136,027.96 is: 187,590.73
Step by Step Solution
- Step 1: Write the proportion equation
176,378.11 : 243,236.01 = 136,027.96 : x - Step 2: Convert to fraction form
176,378.11/243,236.01 = 136,027.96/x - Step 3: Cross multiply
176,378.11x = 243,236.01 × 136,027.96 - Step 4: Simplify right side
176,378.11x = 33,086,898,140.85 - Step 5: Solve for x
x = 33,086,898,140.85/176,378.11 - Step 6: Final answer
x = 187,590.73
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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.