Finding the Fourth Proportional to 157,793.60, 236,229.60 and 141,204.80
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Solution
The fourth proportional to 157,793.60, 236,229.60 and 141,204.80 is: 211,394.84
Step by Step Solution
- Step 1: Write the proportion equation
157,793.60 : 236,229.60 = 141,204.80 : x - Step 2: Convert to fraction form
157,793.60/236,229.60 = 141,204.80/x - Step 3: Cross multiply
157,793.60x = 236,229.60 × 141,204.80 - Step 4: Simplify right side
157,793.60x = 33,356,753,422.08 - Step 5: Solve for x
x = 33,356,753,422.08/157,793.60 - Step 6: Final answer
x = 211,394.84
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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.