Finding the Fourth Proportional to 831,320.19, 1,247,050.08 and 232,287.26
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Solution
The fourth proportional to 831,320.19, 1,247,050.08 and 232,287.26 is: 348,450.38
Step by Step Solution
- Step 1: Write the proportion equation
831,320.19 : 1,247,050.08 = 232,287.26 : x - Step 2: Convert to fraction form
831,320.19/1,247,050.08 = 232,287.26/x - Step 3: Cross multiply
831,320.19x = 1,247,050.08 × 232,287.26 - Step 4: Simplify right side
831,320.19x = 289,673,839,930.73 - Step 5: Solve for x
x = 289,673,839,930.73/831,320.19 - Step 6: Final answer
x = 348,450.38
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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.