Finding the Fourth Proportional to 115,699.63, 173,549.49 and 36,813.91
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Solution
The fourth proportional to 115,699.63, 173,549.49 and 36,813.91 is: 55,220.88
Step by Step Solution
- Step 1: Write the proportion equation
115,699.63 : 173,549.49 = 36,813.91 : x - Step 2: Convert to fraction form
115,699.63/173,549.49 = 36,813.91/x - Step 3: Cross multiply
115,699.63x = 173,549.49 × 36,813.91 - Step 4: Simplify right side
115,699.63x = 6,389,035,305.41 - Step 5: Solve for x
x = 6,389,035,305.41/115,699.63 - Step 6: Final answer
x = 55,220.88
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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.