Finding the Fourth Proportional to 189,691.24, 261,771.30 and 104,807.08
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Solution
The fourth proportional to 189,691.24, 261,771.30 and 104,807.08 is: 144,632.33
Step by Step Solution
- Step 1: Write the proportion equation
189,691.24 : 261,771.30 = 104,807.08 : x - Step 2: Convert to fraction form
189,691.24/261,771.30 = 104,807.08/x - Step 3: Cross multiply
189,691.24x = 261,771.30 × 104,807.08 - Step 4: Simplify right side
189,691.24x = 27,435,485,580.80 - Step 5: Solve for x
x = 27,435,485,580.80/189,691.24 - Step 6: Final answer
x = 144,632.33
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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.