Finding the Fourth Proportional to 831,396.99, 1,247,098.11 and 232,354.20
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Solution
The fourth proportional to 831,396.99, 1,247,098.11 and 232,354.20 is: 348,532.03
Step by Step Solution
- Step 1: Write the proportion equation
831,396.99 : 1,247,098.11 = 232,354.20 : x - Step 2: Convert to fraction form
831,396.99/1,247,098.11 = 232,354.20/x - Step 3: Cross multiply
831,396.99x = 1,247,098.11 × 232,354.20 - Step 4: Simplify right side
831,396.99x = 289,768,483,670.56 - Step 5: Solve for x
x = 289,768,483,670.56/831,396.99 - Step 6: Final answer
x = 348,532.03
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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.