Finding the Fourth Proportional to 461,010.36, 691,515.66 and 145,491.96
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Solution
The fourth proportional to 461,010.36, 691,515.66 and 145,491.96 is: 218,237.98
Step by Step Solution
- Step 1: Write the proportion equation
461,010.36 : 691,515.66 = 145,491.96 : x - Step 2: Convert to fraction form
461,010.36/691,515.66 = 145,491.96/x - Step 3: Cross multiply
461,010.36x = 691,515.66 × 145,491.96 - Step 4: Simplify right side
461,010.36x = 100,609,968,744.09 - Step 5: Solve for x
x = 100,609,968,744.09/461,010.36 - Step 6: Final answer
x = 218,237.98
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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.