Finding the Fourth Proportional to 157,791.60, 236,226.60 and 141,202.80
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Solution
The fourth proportional to 157,791.60, 236,226.60 and 141,202.80 is: 211,391.84
Step by Step Solution
- Step 1: Write the proportion equation
157,791.60 : 236,226.60 = 141,202.80 : x - Step 2: Convert to fraction form
157,791.60/236,226.60 = 141,202.80/x - Step 3: Cross multiply
157,791.60x = 236,226.60 × 141,202.80 - Step 4: Simplify right side
157,791.60x = 33,355,857,354.48 - Step 5: Solve for x
x = 33,355,857,354.48/157,791.60 - Step 6: Final answer
x = 211,391.84
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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.