Finding the Fourth Proportional to 203,791.60, 305,917.80 and 157,250.80
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Solution
The fourth proportional to 203,791.60, 305,917.80 and 157,250.80 is: 236,053.98
Step by Step Solution
- Step 1: Write the proportion equation
203,791.60 : 305,917.80 = 157,250.80 : x - Step 2: Convert to fraction form
203,791.60/305,917.80 = 157,250.80/x - Step 3: Cross multiply
203,791.60x = 305,917.80 × 157,250.80 - Step 4: Simplify right side
203,791.60x = 48,105,818,784.24 - Step 5: Solve for x
x = 48,105,818,784.24/203,791.60 - Step 6: Final answer
x = 236,053.98
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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.