Finding the Fourth Proportional to 300,991.34, 451,482.42 and 73,289.09
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Solution
The fourth proportional to 300,991.34, 451,482.42 and 73,289.09 is: 109,932.52
Step by Step Solution
- Step 1: Write the proportion equation
300,991.34 : 451,482.42 = 73,289.09 : x - Step 2: Convert to fraction form
300,991.34/451,482.42 = 73,289.09/x - Step 3: Cross multiply
300,991.34x = 451,482.42 × 73,289.09 - Step 4: Simplify right side
300,991.34x = 33,088,735,712.80 - Step 5: Solve for x
x = 33,088,735,712.80/300,991.34 - Step 6: Final answer
x = 109,932.52
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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.