Finding the Fourth Proportional to 413,069.26, 618,400.39 and 306,923.67
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Solution
The fourth proportional to 413,069.26, 618,400.39 and 306,923.67 is: 459,491.27
Step by Step Solution
- Step 1: Write the proportion equation
413,069.26 : 618,400.39 = 306,923.67 : x - Step 2: Convert to fraction form
413,069.26/618,400.39 = 306,923.67/x - Step 3: Cross multiply
413,069.26x = 618,400.39 × 306,923.67 - Step 4: Simplify right side
413,069.26x = 189,801,717,228.23 - Step 5: Solve for x
x = 189,801,717,228.23/413,069.26 - Step 6: Final answer
x = 459,491.27
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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.