Finding the Fourth Proportional to 189,168.62, 283,836.51 and 99,189.84
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Solution
The fourth proportional to 189,168.62, 283,836.51 and 99,189.84 is: 148,828.59
Step by Step Solution
- Step 1: Write the proportion equation
189,168.62 : 283,836.51 = 99,189.84 : x - Step 2: Convert to fraction form
189,168.62/283,836.51 = 99,189.84/x - Step 3: Cross multiply
189,168.62x = 283,836.51 × 99,189.84 - Step 4: Simplify right side
189,168.62x = 28,153,698,013.06 - Step 5: Solve for x
x = 28,153,698,013.06/189,168.62 - Step 6: Final answer
x = 148,828.59
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.