Finding the Fourth Proportional to 831,028.36, 1,246,542.54 and 199,942.18
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Solution
The fourth proportional to 831,028.36, 1,246,542.54 and 199,942.18 is: 299,913.27
Step by Step Solution
- Step 1: Write the proportion equation
831,028.36 : 1,246,542.54 = 199,942.18 : x - Step 2: Convert to fraction form
831,028.36/1,246,542.54 = 199,942.18/x - Step 3: Cross multiply
831,028.36x = 1,246,542.54 × 199,942.18 - Step 4: Simplify right side
831,028.36x = 249,236,432,910.34 - Step 5: Solve for x
x = 249,236,432,910.34/831,028.36 - Step 6: Final answer
x = 299,913.27
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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.