Finding the Fourth Proportional to 151,847.87, 209,522.70 and 87,302.00
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Solution
The fourth proportional to 151,847.87, 209,522.70 and 87,302.00 is: 120,461.04
Step by Step Solution
- Step 1: Write the proportion equation
151,847.87 : 209,522.70 = 87,302.00 : x - Step 2: Convert to fraction form
151,847.87/209,522.70 = 87,302.00/x - Step 3: Cross multiply
151,847.87x = 209,522.70 × 87,302.00 - Step 4: Simplify right side
151,847.87x = 18,291,751,279.21 - Step 5: Solve for x
x = 18,291,751,279.21/151,847.87 - Step 6: Final answer
x = 120,461.04
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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.