Finding the Fourth Proportional to 181,150.62, 249,937.20 and 113,236.68
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Solution
The fourth proportional to 181,150.62, 249,937.20 and 113,236.68 is: 156,234.95
Step by Step Solution
- Step 1: Write the proportion equation
181,150.62 : 249,937.20 = 113,236.68 : x - Step 2: Convert to fraction form
181,150.62/249,937.20 = 113,236.68/x - Step 3: Cross multiply
181,150.62x = 249,937.20 × 113,236.68 - Step 4: Simplify right side
181,150.62x = 28,302,058,736.50 - Step 5: Solve for x
x = 28,302,058,736.50/181,150.62 - Step 6: Final answer
x = 156,234.95
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.