Finding the Fourth Proportional to 209,220.60, 313,370.10 and 181,572.60
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Solution
The fourth proportional to 209,220.60, 313,370.10 and 181,572.60 is: 271,958.99
Step by Step Solution
- Step 1: Write the proportion equation
209,220.60 : 313,370.10 = 181,572.60 : x - Step 2: Convert to fraction form
209,220.60/313,370.10 = 181,572.60/x - Step 3: Cross multiply
209,220.60x = 313,370.10 × 181,572.60 - Step 4: Simplify right side
209,220.60x = 56,899,423,819.26 - Step 5: Solve for x
x = 56,899,423,819.26/209,220.60 - Step 6: Final answer
x = 271,958.99
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1.5x scale
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.