Finding the Fourth Proportional to 189,769.68, 261,871.56 and 104,881.08
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Solution
The fourth proportional to 189,769.68, 261,871.56 and 104,881.08 is: 144,730.03
Step by Step Solution
- Step 1: Write the proportion equation
189,769.68 : 261,871.56 = 104,881.08 : x - Step 2: Convert to fraction form
189,769.68/261,871.56 = 104,881.08/x - Step 3: Cross multiply
189,769.68x = 261,871.56 × 104,881.08 - Step 4: Simplify right side
189,769.68x = 27,465,372,034.08 - Step 5: Solve for x
x = 27,465,372,034.08/189,769.68 - Step 6: Final answer
x = 144,730.03
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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.