Finding the Fourth Proportional to 189,550.08, 261,623.97 and 109,024.13
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Solution
The fourth proportional to 189,550.08, 261,623.97 and 109,024.13 is: 150,479.09
Step by Step Solution
- Step 1: Write the proportion equation
189,550.08 : 261,623.97 = 109,024.13 : x - Step 2: Convert to fraction form
189,550.08/261,623.97 = 109,024.13/x - Step 3: Cross multiply
189,550.08x = 261,623.97 × 109,024.13 - Step 4: Simplify right side
189,550.08x = 28,523,324,408.28 - Step 5: Solve for x
x = 28,523,324,408.28/189,550.08 - Step 6: Final answer
x = 150,479.09
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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.