Finding the Fourth Proportional to 192,652.70, 265,861.66 and 107,769.74
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Solution
The fourth proportional to 192,652.70, 265,861.66 and 107,769.74 is: 148,722.76
Step by Step Solution
- Step 1: Write the proportion equation
192,652.70 : 265,861.66 = 107,769.74 : x - Step 2: Convert to fraction form
192,652.70/265,861.66 = 107,769.74/x - Step 3: Cross multiply
192,652.70x = 265,861.66 × 107,769.74 - Step 4: Simplify right side
192,652.70x = 28,651,841,974.17 - Step 5: Solve for x
x = 28,651,841,974.17/192,652.70 - Step 6: Final answer
x = 148,722.76
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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.