Finding the Fourth Proportional to 157,170.96, 235,756.44 and 51,961.68
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Solution
The fourth proportional to 157,170.96, 235,756.44 and 51,961.68 is: 77,942.52
Step by Step Solution
- Step 1: Write the proportion equation
157,170.96 : 235,756.44 = 51,961.68 : x - Step 2: Convert to fraction form
157,170.96/235,756.44 = 51,961.68/x - Step 3: Cross multiply
157,170.96x = 235,756.44 × 51,961.68 - Step 4: Simplify right side
157,170.96x = 12,250,300,693.22 - Step 5: Solve for x
x = 12,250,300,693.22/157,170.96 - Step 6: Final answer
x = 77,942.52
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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.