Finding the Fourth Proportional to 189,518.34, 261,535.14 and 104,635.92
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Solution
The fourth proportional to 189,518.34, 261,535.14 and 104,635.92 is: 144,397.48
Step by Step Solution
- Step 1: Write the proportion equation
189,518.34 : 261,535.14 = 104,635.92 : x - Step 2: Convert to fraction form
189,518.34/261,535.14 = 104,635.92/x - Step 3: Cross multiply
189,518.34x = 261,535.14 × 104,635.92 - Step 4: Simplify right side
189,518.34x = 27,365,969,986.23 - Step 5: Solve for x
x = 27,365,969,986.23/189,518.34 - Step 6: Final answer
x = 144,397.48
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1.5x scale
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.