Finding the Fourth Proportional to 115,491.78, 173,252.25 and 36,577.80
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Solution
The fourth proportional to 115,491.78, 173,252.25 and 36,577.80 is: 54,871.32
Step by Step Solution
- Step 1: Write the proportion equation
115,491.78 : 173,252.25 = 36,577.80 : x - Step 2: Convert to fraction form
115,491.78/173,252.25 = 36,577.80/x - Step 3: Cross multiply
115,491.78x = 173,252.25 × 36,577.80 - Step 4: Simplify right side
115,491.78x = 6,337,186,150.05 - Step 5: Solve for x
x = 6,337,186,150.05/115,491.78 - Step 6: Final answer
x = 54,871.32
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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.