Finding the Fourth Proportional to 831,765.75, 1,247,457.86 and 232,768.92
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Solution
The fourth proportional to 831,765.75, 1,247,457.86 and 232,768.92 is: 349,100.00
Step by Step Solution
- Step 1: Write the proportion equation
831,765.75 : 1,247,457.86 = 232,768.92 : x - Step 2: Convert to fraction form
831,765.75/1,247,457.86 = 232,768.92/x - Step 3: Cross multiply
831,765.75x = 1,247,457.86 × 232,768.92 - Step 4: Simplify right side
831,765.75x = 290,369,424,514.04 - Step 5: Solve for x
x = 290,369,424,514.04/831,765.75 - Step 6: Final answer
x = 349,100.00
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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.