Finding the Fourth Proportional to 189,615.24, 261,646.74 and 104,727.24
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Solution
The fourth proportional to 189,615.24, 261,646.74 and 104,727.24 is: 144,511.28
Step by Step Solution
- Step 1: Write the proportion equation
189,615.24 : 261,646.74 = 104,727.24 : x - Step 2: Convert to fraction form
189,615.24/261,646.74 = 104,727.24/x - Step 3: Cross multiply
189,615.24x = 261,646.74 × 104,727.24 - Step 4: Simplify right side
189,615.24x = 27,401,540,935.20 - Step 5: Solve for x
x = 27,401,540,935.20/189,615.24 - Step 6: Final answer
x = 144,511.28
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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.