Finding the Fourth Proportional to 189,052.36, 283,627.74 and 70,732.96
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Solution
The fourth proportional to 189,052.36, 283,627.74 and 70,732.96 is: 106,117.85
Step by Step Solution
- Step 1: Write the proportion equation
189,052.36 : 283,627.74 = 70,732.96 : x - Step 2: Convert to fraction form
189,052.36/283,627.74 = 70,732.96/x - Step 3: Cross multiply
189,052.36x = 283,627.74 × 70,732.96 - Step 4: Simplify right side
189,052.36x = 20,061,829,588.31 - Step 5: Solve for x
x = 20,061,829,588.31/189,052.36 - Step 6: Final answer
x = 106,117.85
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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.