Finding the Fourth Proportional to 189,491.32, 261,482.32 and 107,797.84
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Solution
The fourth proportional to 189,491.32, 261,482.32 and 107,797.84 is: 148,752.09
Step by Step Solution
- Step 1: Write the proportion equation
189,491.32 : 261,482.32 = 107,797.84 : x - Step 2: Convert to fraction form
189,491.32/261,482.32 = 107,797.84/x - Step 3: Cross multiply
189,491.32x = 261,482.32 × 107,797.84 - Step 4: Simplify right side
189,491.32x = 28,187,229,294.19 - Step 5: Solve for x
x = 28,187,229,294.19/189,491.32 - Step 6: Final answer
x = 148,752.09
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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.