Finding the Fourth Proportional to 307,672.37, 424,626.53 and 178,583.08
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Solution
The fourth proportional to 307,672.37, 424,626.53 and 178,583.08 is: 246,467.09
Step by Step Solution
- Step 1: Write the proportion equation
307,672.37 : 424,626.53 = 178,583.08 : x - Step 2: Convert to fraction form
307,672.37/424,626.53 = 178,583.08/x - Step 3: Cross multiply
307,672.37x = 424,626.53 × 178,583.08 - Step 4: Simplify right side
307,672.37x = 75,831,113,577.11 - Step 5: Solve for x
x = 75,831,113,577.11/307,672.37 - Step 6: Final answer
x = 246,467.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.