Finding the Fourth Proportional to 332,405.63, 458,666.34 and 189,168.06
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Solution
The fourth proportional to 332,405.63, 458,666.34 and 189,168.06 is: 261,021.52
Step by Step Solution
- Step 1: Write the proportion equation
332,405.63 : 458,666.34 = 189,168.06 : x - Step 2: Convert to fraction form
332,405.63/458,666.34 = 189,168.06/x - Step 3: Cross multiply
332,405.63x = 458,666.34 × 189,168.06 - Step 4: Simplify right side
332,405.63x = 86,765,021,725.10 - Step 5: Solve for x
x = 86,765,021,725.10/332,405.63 - Step 6: Final answer
x = 261,021.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.