Finding the Fourth Proportional to 203,228.19, 280,454.00 and 117,186.75
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Solution
The fourth proportional to 203,228.19, 280,454.00 and 117,186.75 is: 161,717.19
Step by Step Solution
- Step 1: Write the proportion equation
203,228.19 : 280,454.00 = 117,186.75 : x - Step 2: Convert to fraction form
203,228.19/280,454.00 = 117,186.75/x - Step 3: Cross multiply
203,228.19x = 280,454.00 × 117,186.75 - Step 4: Simplify right side
203,228.19x = 32,865,492,198.57 - Step 5: Solve for x
x = 32,865,492,198.57/203,228.19 - Step 6: Final answer
x = 161,717.19
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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.