Finding the Fourth Proportional to 119,175.68, 178,491.36 and 56,889.92
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Solution
The fourth proportional to 119,175.68, 178,491.36 and 56,889.92 is: 85,204.96
Step by Step Solution
- Step 1: Write the proportion equation
119,175.68 : 178,491.36 = 56,889.92 : x - Step 2: Convert to fraction form
119,175.68/178,491.36 = 56,889.92/x - Step 3: Cross multiply
119,175.68x = 178,491.36 × 56,889.92 - Step 4: Simplify right side
119,175.68x = 10,154,359,191.09 - Step 5: Solve for x
x = 10,154,359,191.09/119,175.68 - Step 6: Final answer
x = 85,204.96
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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.