Finding the Fourth Proportional to 388,515.96, 582,806.93 and 108,033.21
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Solution
The fourth proportional to 388,515.96, 582,806.93 and 108,033.21 is: 162,058.99
Step by Step Solution
- Step 1: Write the proportion equation
388,515.96 : 582,806.93 = 108,033.21 : x - Step 2: Convert to fraction form
388,515.96/582,806.93 = 108,033.21/x - Step 3: Cross multiply
388,515.96x = 582,806.93 × 108,033.21 - Step 4: Simplify right side
388,515.96x = 62,962,502,917.98 - Step 5: Solve for x
x = 62,962,502,917.98/388,515.96 - Step 6: Final answer
x = 162,058.99
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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.