Finding the Fourth Proportional to 831,398.99, 1,247,101.11 and 232,356.20
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Solution
The fourth proportional to 831,398.99, 1,247,101.11 and 232,356.20 is: 348,535.03
Step by Step Solution
- Step 1: Write the proportion equation
831,398.99 : 1,247,101.11 = 232,356.20 : x - Step 2: Convert to fraction form
831,398.99/1,247,101.11 = 232,356.20/x - Step 3: Cross multiply
831,398.99x = 1,247,101.11 × 232,356.20 - Step 4: Simplify right side
831,398.99x = 289,771,674,935.38 - Step 5: Solve for x
x = 289,771,674,935.38/831,398.99 - Step 6: Final answer
x = 348,535.03
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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.