Finding the Fourth Proportional to 324,278.78, 484,289.21 and 276,383.48
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Solution
The fourth proportional to 324,278.78, 484,289.21 and 276,383.48 is: 412,760.70
Step by Step Solution
- Step 1: Write the proportion equation
324,278.78 : 484,289.21 = 276,383.48 : x - Step 2: Convert to fraction form
324,278.78/484,289.21 = 276,383.48/x - Step 3: Cross multiply
324,278.78x = 484,289.21 × 276,383.48 - Step 4: Simplify right side
324,278.78x = 133,849,537,015.06 - Step 5: Solve for x
x = 133,849,537,015.06/324,278.78 - Step 6: Final answer
x = 412,760.70
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.