Finding the Fourth Proportional to 157,408.30, 236,112.45 and 124,230.70
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Solution
The fourth proportional to 157,408.30, 236,112.45 and 124,230.70 is: 186,346.05
Step by Step Solution
- Step 1: Write the proportion equation
157,408.30 : 236,112.45 = 124,230.70 : x - Step 2: Convert to fraction form
157,408.30/236,112.45 = 124,230.70/x - Step 3: Cross multiply
157,408.30x = 236,112.45 × 124,230.70 - Step 4: Simplify right side
157,408.30x = 29,332,414,942.22 - Step 5: Solve for x
x = 29,332,414,942.22/157,408.30 - Step 6: Final answer
x = 186,346.05
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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.