Finding the Fourth Proportional to 323,769.24, 485,537.22 and 136,795.32
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Solution
The fourth proportional to 323,769.24, 485,537.22 and 136,795.32 is: 205,143.70
Step by Step Solution
- Step 1: Write the proportion equation
323,769.24 : 485,537.22 = 136,795.32 : x - Step 2: Convert to fraction form
323,769.24/485,537.22 = 136,795.32/x - Step 3: Cross multiply
323,769.24x = 485,537.22 × 136,795.32 - Step 4: Simplify right side
323,769.24x = 66,419,219,381.81 - Step 5: Solve for x
x = 66,419,219,381.81/323,769.24 - Step 6: Final answer
x = 205,143.70
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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.