Finding the Fourth Proportional to 535,292.23, 738,701.79 and 305,920.69
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Solution
The fourth proportional to 535,292.23, 738,701.79 and 305,920.69 is: 422,169.70
Step by Step Solution
- Step 1: Write the proportion equation
535,292.23 : 738,701.79 = 305,920.69 : x - Step 2: Convert to fraction form
535,292.23/738,701.79 = 305,920.69/x - Step 3: Cross multiply
535,292.23x = 738,701.79 × 305,920.69 - Step 4: Simplify right side
535,292.23x = 225,984,161,301.04 - Step 5: Solve for x
x = 225,984,161,301.04/535,292.23 - Step 6: Final answer
x = 422,169.70
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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.