Finding the Fourth Proportional to 413,839.13, 620,758.69 and 118,351.13
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Solution
The fourth proportional to 413,839.13, 620,758.69 and 118,351.13 is: 177,526.69
Step by Step Solution
- Step 1: Write the proportion equation
413,839.13 : 620,758.69 = 118,351.13 : x - Step 2: Convert to fraction form
413,839.13/620,758.69 = 118,351.13/x - Step 3: Cross multiply
413,839.13x = 620,758.69 × 118,351.13 - Step 4: Simplify right side
413,839.13x = 73,467,489,019.15 - Step 5: Solve for x
x = 73,467,489,019.15/413,839.13 - Step 6: Final answer
x = 177,526.69
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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.