Finding the Fourth Proportional to 301,039.19, 451,242.69 and 101,290.23
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Solution
The fourth proportional to 301,039.19, 451,242.69 and 101,290.23 is: 151,828.99
Step by Step Solution
- Step 1: Write the proportion equation
301,039.19 : 451,242.69 = 101,290.23 : x - Step 2: Convert to fraction form
301,039.19/451,242.69 = 101,290.23/x - Step 3: Cross multiply
301,039.19x = 451,242.69 × 101,290.23 - Step 4: Simplify right side
301,039.19x = 45,706,475,855.92 - Step 5: Solve for x
x = 45,706,475,855.92/301,039.19 - Step 6: Final answer
x = 151,828.99
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1.5x scale
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.