Finding the Fourth Proportional to 203,401.80, 305,102.70 and 55,657.80
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Solution
The fourth proportional to 203,401.80, 305,102.70 and 55,657.80 is: 83,486.70
Step by Step Solution
- Step 1: Write the proportion equation
203,401.80 : 305,102.70 = 55,657.80 : x - Step 2: Convert to fraction form
203,401.80/305,102.70 = 55,657.80/x - Step 3: Cross multiply
203,401.80x = 305,102.70 × 55,657.80 - Step 4: Simplify right side
203,401.80x = 16,981,345,056.06 - Step 5: Solve for x
x = 16,981,345,056.06/203,401.80 - Step 6: Final answer
x = 83,486.70
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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.