Finding the Fourth Proportional to 156,717.70, 235,115.43 and 73,514.50
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Solution
The fourth proportional to 156,717.70, 235,115.43 and 73,514.50 is: 110,289.99
Step by Step Solution
- Step 1: Write the proportion equation
156,717.70 : 235,115.43 = 73,514.50 : x - Step 2: Convert to fraction form
156,717.70/235,115.43 = 73,514.50/x - Step 3: Cross multiply
156,717.70x = 235,115.43 × 73,514.50 - Step 4: Simplify right side
156,717.70x = 17,284,393,278.74 - Step 5: Solve for x
x = 17,284,393,278.74/156,717.70 - Step 6: Final answer
x = 110,289.99
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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.