Finding the Fourth Proportional to 191,020.52, 263,596.74 and 106,134.68
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Solution
The fourth proportional to 191,020.52, 263,596.74 and 106,134.68 is: 146,459.43
Step by Step Solution
- Step 1: Write the proportion equation
191,020.52 : 263,596.74 = 106,134.68 : x - Step 2: Convert to fraction form
191,020.52/263,596.74 = 106,134.68/x - Step 3: Cross multiply
191,020.52x = 263,596.74 × 106,134.68 - Step 4: Simplify right side
191,020.52x = 27,976,755,648.94 - Step 5: Solve for x
x = 27,976,755,648.94/191,020.52 - Step 6: Final answer
x = 146,459.43
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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.