Finding the Fourth Proportional to 157,277.44, 235,705.74 and 57,343.60
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Solution
The fourth proportional to 157,277.44, 235,705.74 and 57,343.60 is: 85,938.68
Step by Step Solution
- Step 1: Write the proportion equation
157,277.44 : 235,705.74 = 57,343.60 : x - Step 2: Convert to fraction form
157,277.44/235,705.74 = 57,343.60/x - Step 3: Cross multiply
157,277.44x = 235,705.74 × 57,343.60 - Step 4: Simplify right side
157,277.44x = 13,516,215,672.26 - Step 5: Solve for x
x = 13,516,215,672.26/157,277.44 - Step 6: Final answer
x = 85,938.68
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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.