Finding the Fourth Proportional to 189,449.35, 261,438.84 and 104,566.41
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Solution
The fourth proportional to 189,449.35, 261,438.84 and 104,566.41 is: 144,300.95
Step by Step Solution
- Step 1: Write the proportion equation
189,449.35 : 261,438.84 = 104,566.41 : x - Step 2: Convert to fraction form
189,449.35/261,438.84 = 104,566.41/x - Step 3: Cross multiply
189,449.35x = 261,438.84 × 104,566.41 - Step 4: Simplify right side
189,449.35x = 27,337,720,933.36 - Step 5: Solve for x
x = 27,337,720,933.36/189,449.35 - Step 6: Final answer
x = 144,300.95
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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.