Finding the Fourth Proportional to 378,132.98, 567,197.93 and 153,491.52
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Solution
The fourth proportional to 378,132.98, 567,197.93 and 153,491.52 is: 230,236.65
Step by Step Solution
- Step 1: Write the proportion equation
378,132.98 : 567,197.93 = 153,491.52 : x - Step 2: Convert to fraction form
378,132.98/567,197.93 = 153,491.52/x - Step 3: Cross multiply
378,132.98x = 567,197.93 × 153,491.52 - Step 4: Simplify right side
378,132.98x = 87,060,072,416.55 - Step 5: Solve for x
x = 87,060,072,416.55/378,132.98 - Step 6: Final answer
x = 230,236.65
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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.